Granted Patent
Utility
US 5,270,692 · App. 07/869,839
Digitizer cursor/mouse with unitary switch actuators
Inventor:
Lynn H. Rockwell
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Apr 16, 1992
Inventor
Lynn H. Rockwell
Assignee (at issue)
CalComp 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.