Granted Patent
Utility
US 4,107,985 · App. 05/721,981
Load cell
Inventor:
Thomas Sommer
Patented Case
View Patent ↗
Granted: Aug 22, 1978
Filed: Sep 10, 1976
Inventor
Thomas Sommer
Assignee (at issue)
National Controls Corporation
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.