Granted Patent
Utility
US 4,307,775 · App. 06/095,757
Current monitoring control for electrically powered devices
Inventors:
James F. Saunders, Robert E. Krocker
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Nov 19, 1979
Inventors
James F. Saunders
Robert E. Krocker
Assignee (at issue)
The Trane Company
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.