IP Library Granted Patent US 4,229,974
Granted Patent Utility
US 4,229,974 · App. 05/956,143

Petroleum and synthetic grease thermoparticulating coating

Inventors: James D. B. Smith, D. Colin Phillips, Kenneth W. Grossett
Patented Case View Patent ↗
Granted: Oct 28, 1980 Filed: Oct 27, 1978
Inventors
James D. B. Smith
D. Colin Phillips
Kenneth W. Grossett
Assignee (at issue)
Westinghouse Electric Company LLC

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

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Quick Facts
Patent No.
US 4,229,974
App. No.
05/956,143
Filed
1978-10-27
Granted
1980-10-28
Kind
A