Roger Douglas Olsen

US Patent:

20110217482, Sep 8, 2011

Filed:

Mar 1, 2011

Appl. No.:

13/038173

Inventors:

JONATHAN THOMAS - MAPLE LAKE MN, US
KEITH BEVERIDGE - EDINA MN, US
DAVID OSLAND - MINNEAPOLIS MN, US
ROGER OLSEN - BURNSVILLE MN, US
PENNY CHATTERTON - SHAKOPEE MN, US
JAY BICKFORD - SAVAGE MN, US

International Classification:

B05D 3/06
G21K 5/00

US Classification:

427558, 250504 R

Abstract:

A curing lamp apparatus mounts to a work surface with a suction cup. A base is mounted to the suction cup. A flexible neck extends from the base to the lamp head. The lamp head includes a lamp element with first and second UV light sources which emit UV light at different wavelengths. A control circuit is located in the base. A heat sink is provided on the lamp head including a conductive plate and projecting pins. A protective housing encloses the plate and pins. A timing circuit controls the light source for automatic shut off. External or internal power is provided for the control circuit.

US Patent:

49526189, Aug 28, 1990

Filed:

May 3, 1988

Appl. No.:

7/189614

Inventors:

Roger A. Olsen - Woodbury MN

Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN

International Classification:

A61L 1500
C08L 100
C08L 502
C08L 504

US Classification:

524 17

Abstract:

Hydrocolloid adhesive compositions are disclosed comprising a rubbery elastomeric base having dispersed therein hydrocolloid particles, at least some of which are polycationic hydrocolloid particles. The compositions have enhanced resistance to breakdown by body fluids and are especially useful as wound dressings.

US Patent:

20140363583, Dec 11, 2014

Filed:

Aug 29, 2014

Appl. No.:

14/473034

Inventors:

- Burnaby, CA
Keith Beveridge - Edina MN, US
David Osland - Minneapolis MN, US
Roger Olsen - Burnsville MN, US
Penny Chatterton - Shakopee MN, US
Jay Bickford - Savage MN, US

International Classification:

C03C 17/00
C03C 17/32

US Classification:

427508

Abstract:

A curing lamp apparatus mounts to a work surface with a suction cup. A base is mounted to the suction cup. A flexible neck extends from the base to the lamp head. The lamp head includes a lamp element with first and second UV light sources which emit UV light at different wavelengths. A control circuit is located in the base. A heat sink is provided on the lamp head including a conductive plate and projecting pins. A protective housing encloses the plate and pins. A timing circuit controls the light source for automatic shut off. External or internal power is provided for the control circuit.