Granted Patent
Utility
US 4,283,936 · App. 06/131,387
Vibration densitometer assembly
Inventor:
Milton H. November
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Mar 17, 1980
Inventor
Milton H. November
Assignee (at issue)
International Telephone and Telegraph 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.