Granted Patent
Utility
US 4,821,144 · App. 07/115,705
Circuit breaker with mounting clip
Inventor:
William E. Grass
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Nov 2, 1987
Inventor
William E. Grass
Assignee (at issue)
Eaton Corporation
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.