Granted Patent
Utility
US 4,419,721 · App. 06/332,404
Searchlight with modular control mechanism
Inventors:
Brian R. Gregoire, Rupert O. Yantz
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Dec 21, 1981
Inventors
Brian R. Gregoire
Rupert O. Yantz
Assignee (at issue)
Phoenix Products 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.