William J Mcgraw

US Patent:

51848279, Feb 9, 1993

Filed:

Jan 24, 1992

Appl. No.:

7/825061

Inventors:

Keith H. Suttle - Wilmington NC
William J. McGraw - Wrightsville Beach NC

International Classification:

A63B 6936

US Classification:

2731872

Abstract:

A pair of golf gloves for teaching a golfer to maintain his grip about a golf club during a golf swing. The pair of golf gloves comprises of a control-hand glove which fits about a golfer's control hand and a power-hand glove which fits about a golfer's power hand. The control-hand and power-hand gloves are designed with an audible emitter which audibly signals to the golfer when the golfer's hands initially begin to break or separate during the golf swing. The audible emitter consists only of a first cooperating VELCRO. RTM. section strategically attached to the control-hand glove and a second VELCRO. RTM. section strategically attached to the power-hand glove. The first VELCRO. RTM. section located about the palm side of the base area of the thumb of the control-hand glove, and the second VELCRO. RTM. section located about the palm side along the lower base area of the power-hand glove.

US Patent:

20210349018, Nov 11, 2021

Filed:

May 5, 2021

Appl. No.:

17/302536

Inventors:

- Charlotte NC, US
Moin SHAFAI - Plano TX, US
Chen FENG - Mount Laurel NJ, US
Jennifer BURNETT - Houston TX, US
Giorgio Carlo ISELLA - Torrance CA, US
Robert Timothy KESTER - Friendswood TX, US
Benjamin P. HEPPNER - Fridley MN, US
James A. LOPAC - Roseville MN, US
Lisa M. LUST - Plymouth MN, US
Mary Katherine SALIT - Plymouth MN, US
Matthew Wade PUCKETT - Phoenix AZ, US
William MCGRAW - Flower Mound TX, US

International Classification:

G01N 21/45
G02B 6/42

Abstract:

Methods, apparatuses, and systems associated with a sample testing device are provided. For example, an example sample testing device may include a substrate layer defining a bottom surface of the sample testing device, as well as a waveguide disposed on the substrate layer and includes at least one reference channel and at least one sample channel.