Membership
Tour
Register
Log in
James Fredrick Harkee
Follow
Person
Glendora, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Incipient fire detector
Patent number
3,953,844
Issue date
Apr 27, 1976
Celesco Industries Inc.
Laurence Gibson Barr
G08 - SIGNALLING