Granted Patent
Utility
US 5,121,427 · App. 07/497,272
Telephone base members and support members
Inventors:
Beverley W. Gumb, Edward J. R. Foster
Patented Case
View Patent ↗
Granted: Jun 9, 1992
Filed: Mar 22, 1990
Inventors
Beverley W. Gumb
Edward J. R. Foster
Assignee (at issue)
Nortel Networks Limited
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.