Granted Patent
Utility
US 5,581,201 · App. 08/538,054
Apparatus for unit control and presence detection
Inventors:
David P. Sonner, David A. Brown, Carl W. Kagy, William J. Watson
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Oct 2, 1995
Inventors
David P. Sonner
David A. Brown
Carl W. Kagy
William J. Watson
Assignee (at issue)
Tandem Computers Incorporated
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.