Granted Patent
Utility
US 4,896,337 · App. 07/179,097
Adjustable frequency signal generator system with incremental control
Inventor:
Edwin S. Bushy, Jr.
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Apr 8, 1988
Inventor
Edwin S. Bushy, Jr.
Assignee (at issue)
Ampex 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.