Membership
Tour
Register
Log in
David Grissom
Follow
Person
Houston, TX, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Dimmer for fluorescent and incandescent lamps
Patent number
5,175,477
Issue date
Dec 29, 1992
David Grissom
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Optical accelerometer
Patent number
4,726,650
Issue date
Feb 23, 1988
Western Atlas International, Inc.
David Grissom
G01 - MEASURING TESTING
Information
Patent Grant
Optical system for detecting acoustic wave energy in a fluid medium
Patent number
4,688,200
Issue date
Aug 18, 1987
Western Geophysical Company of America
Thomas J. Poorman
G01 - MEASURING TESTING
Information
Patent Grant
Stuck point indicating device with linear sensing means
Patent number
4,515,010
Issue date
May 7, 1985
NL Industries, Inc.
Vincent C. Weido
E21 - EARTH DRILLING MINING