Don W. Guthrie

Person

Colleyville, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Programmable dichromatic legend lighted switches
- Patent number 7,453,218
- Issue date Nov 18, 2008
- Aerospace Optics, Inc.
- Don W. Guthrie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Enhanced trim resolution voltage-controlled dimming LED driver
- Patent number 6,737,814
- Issue date May 18, 2004
- Aerospace Optics, Inc.
- Don W. Guthrie
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Enhanced trim resolution voltage-controlled dimming LED driver
- Patent number 6,670,776
- Issue date Dec 30, 2003
- Aerospace Optics, Inc.
- Don W. Guthrie
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Voltage dimmable LED display producing multiple colors
- Patent number 6,653,798
- Issue date Nov 25, 2003
- Aerospace Optics, Inc.
- Don W. Guthrie
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fault tolerant led display design
- Patent number 6,650,064
- Issue date Nov 18, 2003
- Aerospace Optics, Inc.
- Don W. Guthrie
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power efficient LED driver quiescent current limiting circuit confi...
- Patent number 6,489,728
- Issue date Dec 3, 2002
- Aerospace Optics, Inc.
- Don W. Guthrie
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Enhanced trim resolution voltage-controlled dimming led driver
- Patent number 6,323,598
- Issue date Nov 27, 2001
- Aerospace Optics, Inc.
- Don W. Guthrie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sunlight readable illuminated indicia display devices
- Patent number 4,535,396
- Issue date Aug 13, 1985
- Aerospace Optics, Inc.
- Don W. Guthrie
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Programmable dichromatic legend lighted switches
- Publication number 20050231946
- Publication date Oct 20, 2005
- AEROSPACE OPTICS, INC.
- Don W. Guthrie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Enhanced trim resolution voltage-controlled dimming led driver
- Publication number 20020047593
- Publication date Apr 25, 2002
- Don W. Guthrie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fault tolerant led display design
- Publication number 20020047596
- Publication date Apr 25, 2002
- Don W. Guthrie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Enhanced trim resolution voltage-controlled dimming LED driver
- Publication number 20020047605
- Publication date Apr 25, 2002
- Don W. Guthrie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power efficient LED driver quiescent current limiting circuit confi...
- Publication number 20020047606
- Publication date Apr 25, 2002
- AEROSPACE OPTICS, INC.
- Don W. Guthrie
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Don W. Guthrie

Person

Patents Grantslast 30 patents

Programmable dichromatic legend lighted switches

Enhanced trim resolution voltage-controlled dimming LED driver

Enhanced trim resolution voltage-controlled dimming LED driver

Voltage dimmable LED display producing multiple colors

Fault tolerant led display design

Power efficient LED driver quiescent current limiting circuit confi...

Enhanced trim resolution voltage-controlled dimming led driver

Sunlight readable illuminated indicia display devices

Patents Applicationslast 30 patents

Programmable dichromatic legend lighted switches

Enhanced trim resolution voltage-controlled dimming led driver

Fault tolerant led display design

Enhanced trim resolution voltage-controlled dimming LED driver

Power efficient LED driver quiescent current limiting circuit confi...