Granted Patent
Utility
US 4,970,475 · App. 07/500,626
Linearized three state phase detector
Inventor:
Steven F. Gillig
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Mar 28, 1990
Inventor
Steven F. Gillig
Assignee (at issue)
Motorola, 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.