Granted Patent
Utility
US 4,875,108 · App. 07/227,216
Phase lock loop
Inventors:
Vadim B. Minuhin, Evgeny J. Berzon, Vernon F. VonDeylen
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Aug 2, 1988
Inventors
Vadim B. Minuhin
Evgeny J. Berzon
Vernon F. VonDeylen
Assignee (at issue)
Magnetic Peripherals, 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.