Granted Patent
Utility
US 5,602,884 · App. 08/440,939
Digital phase locked loop
Inventors:
Jerzy Wieczorkiewicz, Krishna Shetty, Terry Kenny, Robert van der Valk, Menno Spijker
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: May 15, 1995
Inventors
Jerzy Wieczorkiewicz
Krishna Shetty
Terry Kenny
Robert van der Valk
Menno Spijker
Assignee (at issue)
Mitel 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.