John M. Humphrey

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Monte Sereno, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ski control system with carve control amplification
- Patent number 5,370,415
- Issue date Dec 6, 1994
- John M. Humphrey
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method and apparatus for controlling perceived brightness using a t...
- Patent number 5,276,539
- Issue date Jan 4, 1994
- Humphrey Engineering, Inc.
- John M. Humphrey
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Universal integral ski control system
- Patent number 5,145,200
- Issue date Sep 8, 1992
- Humphrey Engineering, Inc.
- John M. Humphrey
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method and apparatus for speed and maneuverability control for down...
- Patent number 4,986,561
- Issue date Jan 22, 1991
- Humphrey Engineering, Inc.
- John M. Humphrey
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Downhill skis incorporating integral probe assembly for controlling...
- Patent number 4,911,461
- Issue date Mar 27, 1990
- Humphrey Engineering, Inc.
- John M. Humphrey
- A63 - SPORTS GAMES AMUSEMENTS