Granted Patent
Utility
US 4,496,193 · App. 06/419,652
Vigilance safety control system
Inventor:
Steven C. Rumsey
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Sep 20, 1982
Inventor
Steven C. Rumsey
Assignee (at issue)
American Standard 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.