Granted Patent
Utility
US 4,294,089 · App. 05/965,185
Latchbolt rim lock
Inventors:
Walter E. Best, William R. Foshee
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Nov 30, 1978
Inventors
Walter E. Best
William R. Foshee
Assignee (at issue)
Best Lock Corporation
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.