Granted Patent
Utility
US 4,879,529 · App. 07/253,785
Phase control loop with interrupted control
Inventors:
Volkmar Schroth, Horst Levin
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Oct 5, 1988
Inventors
Volkmar Schroth
Horst Levin
Assignee (at issue)
U.S. Philips 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.