Granted Patent
Utility
US 4,314,113 · App. 06/113,907
Keyswitch having contacts mounted on cantilever beams
Inventor:
Edward I. Nelson
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Jan 21, 1980
Inventor
Edward I. Nelson
Assignee (at issue)
Burroughs, Inc.
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.