Granted Patent
Utility
US 4,451,714 · App. 06/465,088
Spacerless keyboard switch circuit assembly
Inventor:
Franklin N. Eventoff
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Feb 9, 1983
Inventor
Franklin N. Eventoff
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.