Granted Patent
Utility
US 5,570,056 · App. 08/485,088
Bipolar analog multipliers for low voltage applications
Inventor:
John B. Groe
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Jun 7, 1995
Inventor
John B. Groe
Assignee (at issue)
Pacific Communication Sciences, 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.