Granted Patent
Utility
US 4,513,752 · App. 06/458,248
Bipolar sensing system
Inventor:
Robert R. Weyant
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Jan 17, 1983
Inventor
Robert R. Weyant
Assignee (at issue)
Pacesetter Systems, 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.