Granted Patent
Utility
US 4,137,799 · App. 05/820,491
Adjustable interlock hand lever
Inventors:
Roger F. Olsen, George A. Cantley
Patented Case
View Patent ↗
Granted: Feb 6, 1979
Filed: Jul 29, 1977
Inventors
Roger F. Olsen
George A. Cantley
Assignee (at issue)
Incom International, Inc.
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.