Granted Patent
Utility
US 5,576,664 · App. 08/556,882
Discrete time digital phase locked loop
Inventors:
Barry W. Herold, Scott Robert Humphreys, Phillip Johnson, Raymond Louis Barrett, Jr., Grazyna A. Pajunen
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Nov 2, 1995
Inventors
Barry W. Herold
Scott Robert Humphreys
Phillip Johnson
Raymond Louis Barrett, Jr.
Grazyna A. Pajunen
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.