Granted Patent
Utility
US 5,252,792 · App. 07/758,520
Subassembly for a pressure switch
Inventor:
Ronald S. Joyce
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Sep 6, 1991
Inventor
Ronald S. Joyce
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.