Granted Patent
Utility
US 4,480,376 · App. 06/367,932
Thermistors, their method of production
Inventor:
Bo H. Hakanson
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Apr 13, 1982
Inventor
Bo H. Hakanson
Assignee (at issue)
Crafon Medical 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.