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.