Granted Patent
Utility
US 5,086,466 · App. 07/504,210
Telephone base structures for stabilizing upon support surfaces
Inventors:
Beverley W. Gumb, Edward J. R. Foster
Patented Case
View Patent ↗
Granted: Feb 4, 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.