Membership
Tour
Register
Log in
Ronald L. Ketchum
Follow
Person
Littleton, CO, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Photometric analyzer for differential total reduced sulfur measurem...
Patent number
5,053,623
Issue date
Oct 1, 1991
Lear Siegler Measurement Controls Corporation
Gerald F. McGowan
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for full-system zero check and window soiling measurement...
Patent number
5,028,790
Issue date
Jul 2, 1991
Lear Siegler Measurement Controls Corporation
Gerald F. McGowan
G01 - MEASURING TESTING
Information
Patent Grant
Dilution extractive probe
Patent number
4,974,455
Issue date
Dec 4, 1990
Lear Siegler Measurement Controls Corporation
Gerald F. McGowan
G01 - MEASURING TESTING
Information
Patent Grant
Situ multi-channel combustion gas analyzer
Patent number
4,560,873
Issue date
Dec 24, 1985
Lear Siegler, Inc.
Gerald F. McGowan
G01 - MEASURING TESTING