Granted Patent
Utility
US 4,723,757 · App. 06/850,513
Ratchet-wheel-pawl assembly and release means for portable winch
Inventors:
Gerald W. Steinman, Lonnie M. Smith
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Apr 11, 1986
Inventors
Gerald W. Steinman
Lonnie M. Smith
Assignee (at issue)
Durbin-Durco, 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.