Granted Patent
Utility
US 5,644,743 · App. 08/567,387
Hybrid analog-digital phase error detector
Inventors:
Raymond Louis Barrett, Jr., Barry W. Herold, Grazyna A. Pajunen, Walter L. Davis
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Dec 4, 1995
Inventors
Raymond Louis Barrett, Jr.
Barry W. Herold
Grazyna A. Pajunen
Walter L. Davis
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.