Granted Patent
Utility
US 4,235,073 · App. 05/966,305
Chain breaker
Inventor:
Wayne R. Tracy
Patented Case
View Patent ↗
Granted: Nov 25, 1980
Filed: Dec 4, 1978
Inventor
Wayne R. Tracy
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.