Granted Patent
Utility
US 4,350,951 · App. 06/106,473
Audio analog voltmeter
Inventor:
William Joseph Jasper
Patented Case
View Patent ↗
Granted: Sep 21, 1982
Filed: Dec 26, 1979
Inventor
William Joseph Jasper
Assignee (at issue)
Burroughs, 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.