Granted Patent
Utility
US 4,959,617 · App. 07/357,912
Dual state phase detector having frequency steering capability
Inventor:
Frederick L. Martin
Patented Case
View Patent ↗
Granted: Sep 25, 1990
Filed: May 30, 1989
Inventor
Frederick L. Martin
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.