Granted Patent
Utility
US 4,597,621 · App. 06/699,798
Resettable emergency release mechanism
Inventor:
Edgar Burns
Patented Case
View Patent ↗
Granted: Jul 1, 1986
Filed: Feb 8, 1985
Inventor
Edgar Burns
Assignee (at issue)
Automation Industrial Group, LLC
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.