Granted Patent
Utility
US 6,389,293 · App. 09/568,530
Method and apparatus for providing call screening on cordless telephone equipment using three-way calling
Inventors:
Stephen J. Clore, Ronald Edward Anglikowski, Mark C. Jensen, James E. Sieffert, William Eisenloeffel
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: May 9, 2000
Inventors
Stephen J. Clore
Ronald Edward Anglikowski
Mark C. Jensen
James E. Sieffert
William Eisenloeffel
Assignee (at issue)
Cidco Communications LLC
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.