Granted Patent
Utility
US 4,944,083 · App. 07/395,320
Electrical switch construction method
Inventor:
Harold A. McIntosh
Patented Case
View Patent ↗
Granted: Jul 31, 1990
Filed: Aug 17, 1989
Inventor
Harold A. McIntosh
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED
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.