Granted Patent
Utility
US 4,864,574 · App. 07/152,080
Injection lock clock detection apparatus
Inventor:
Harley P. Pritt
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Feb 4, 1988
Inventor
Harley P. Pritt
Assignee (at issue)
Rockwell International 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.