John Andrew Mayfield

US Patent:

20080019126, Jan 24, 2008

Filed:

Jul 2, 2007

Appl. No.:

11/772633

Inventors:

Kenneth Straton - Conyers GA, US
John Mayfield - Loganville GA, US

International Classification:

F21V 29/00
F21S 4/00

US Classification:

362218000, 362223000

Abstract:

A light fixture or troffer for directing light emitted from a light source toward an area to be illuminated, including a reflector assembly within which the light source is positioned and a lens assembly detachably secured to a portion of the reflector assembly such that a lens of the lens assembly overlies the light source and such that substantially all of the light emitted from the light source passes through the lens assembly. In one aspect, the reflector assembly defines a plurality of air slots.

US Patent:

D3901980, Feb 3, 1998

Filed:

Sep 4, 1996

Appl. No.:

D/059157

Inventors:

John T. Mayfield - Stone Mountain GA

Assignee:

Gichner Systems Group, Inc. - Tucker GA

International Classification:

1303

US Classification:

D13184

US Patent:

62312138, May 15, 2001

Filed:

Jul 21, 1999

Appl. No.:

9/358378

Inventors:

Peter Michael Schmidt - Conyers GA
Roger Erle Norris - Covington GA
John Thomas Mayfield - Stone Mountain GA

Assignee:

NSI Enterprises, Inc. - Atlanta GA

International Classification:

F21S 802

US Classification:

362374

Abstract:

A door frame hingeably mounted to a lensed fluorescent troffer lighting fixture and carrying a prismatic lens cover, the door frame also integrally provides a light trap function. Structural components of the door frame have fastening elements formed integrally therewith for attachment of said components together without the use of separate fastening elements. The door frame includes low profile latching structure which allows ready opening of the door frame for relamping or other maintenance functions, hinge elements acting not only to hold the door frame to the light fixture but also to hold the door frame in a fully open position. The door frame further acts to impart rigidity to the lighting fixture when in a closed position.

US Patent:

48587834, Aug 22, 1989

Filed:

Mar 1, 1988

Appl. No.:

7/162657

Inventors:

John T. Mayfield - Clarkston GA

Assignee:

Modular Engineering Corporation - Stone Mountain GA

International Classification:

B65H 108

US Classification:

221 59

Abstract:

Dispensers for nested items such as cups or lids. Dispensers according to the present invention contain face plates which are easily removed so that the dispensers and their surrounding areas can be easily cleaned. One embodiment of dispensers according to the present invention includes a trim assembly and a container assembly for the items to be dispensed, which two assemblies can be attached as a unit to the face plate and removed with the face plate for quick and efficient cleaning and refilling. The face plates and trim assemblies may be color coded for aesthetic purposes and to differentiate various cup and lid sizes.

US Patent:

50729977, Dec 17, 1991

Filed:

Oct 9, 1990

Appl. No.:

7/594092

Inventors:

John T. Mayfield - Clarkston GA

Assignee:

The Meyer Company - Cleveland OH

International Classification:

A47F 302

US Classification:

312 35

Abstract:

Dispensers for dispensing condiment packages and other articles. Such dispensers feature a front surface that contains a vertical succession of openings. Each opening dispenses a particular type of article, and is fed with articles that are supported by a curved floor that extends from adjacent the bottom of the opening upward and backward to the top area of the dispenser. The top surface of the dispensers may be positioned to open easily and thus allow easy access for loading and cleaning. The resulting dispensers economize on counter space, maintenance costs, and cleaning costs, and present condiment packages and other articles in an attractive, functional fashion.

US Patent:

49270532, May 22, 1990

Filed:

Mar 16, 1989

Appl. No.:

7/325303

Inventors:

John T. Mayfield - Clarkston GA

Assignee:

The Meyer Company - Cleveland OH

International Classification:

B65G 5900

US Classification:

221279

Abstract:

Dispensers for nested items such as cups or lids. Dispensers according to the present invention contain face plates which are easily removed so that the dispensers and their surrounding areas can be easily cleaned. One embodiment of dispensers according to the present invention includes a trim assembly and a container assembly for the items to be dispensed, which two assemblies can be attached as a unit to the face plate and removed with the face plate for quick and efficient cleaning and refilling. The face plates and trim assemblies may be color coded for aesthetic purposes and to differentiate various cup and lid sizes.

US Patent:

D3908356, Feb 17, 1998

Filed:

Oct 16, 1996

Appl. No.:

D/061155

Inventors:

John T. Mayfield - Stone Mountain GA

Assignee:

Gichner Systems Group, Inc. - Tucker GA

International Classification:

1303

US Classification:

D13184