Granted Patent
Utility
US 4,755,641 · App. 07/040,504
Pawl controlled switch
Inventors:
Kurt Lutzenberger, Arnold A. Case
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Apr 20, 1987
Inventors
Kurt Lutzenberger
Arnold A. Case
Assignee (at issue)
Switchcraft, 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.