Granted Patent
Utility
US 4,296,760 · App. 06/097,380
Electrical stimulator
Inventors:
Per-Olov Carlsson, Bo H. Hakansson
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Nov 26, 1979
Inventors
Per-Olov Carlsson
Bo H. Hakansson
Assignee (at issue)
Gambro AB
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.