Granted Patent
Utility
US 5,236,172 · App. 07/885,179
Lockout modules
Inventors:
Dale J. Friemoth, Steven A. Hacker, Jeffrey M. Loeb
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: May 18, 1992
Inventors
Dale J. Friemoth
Steven A. Hacker
Jeffrey M. Loeb
Assignee (at issue)
Automax, 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.