Preston D. Brown

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Eugene, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Digital method and apparatus for reducing EMI emissions in digitall...
- Patent number 5,909,144
- Issue date Jun 1, 1999
- Hewlett-Packard Company
- Robert B. E. Puckette
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital method and apparatus for reducing EMI emissions in digitall...
- Patent number 5,736,893
- Issue date Apr 7, 1998
- Hewlett-Packard Company
- Robert B. E. Puckette
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable battery charger with integrally attached output cable
- Patent number 5,602,455
- Issue date Feb 11, 1997
- Hewlett-Packard Company
- Charles S. Stephens
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dual voltage power supply
- Patent number 5,412,308
- Issue date May 2, 1995
- Hewlett-Packard Corporation
- Preston D. Brown
- G05 - CONTROLLING REGULATING
Information Patent Grant
Low power optical transceiver for portable computing devices
- Patent number 5,075,792
- Issue date Dec 24, 1991
- Hewlett-Packard Company
- Preston D. Brown
- H04 - ELECTRIC COMMUNICATION TECHNIQUE