Granted Patent
Utility
US 4,532,376 · App. 06/518,726
Electronic pen with switching mechanism for selectively providing tactile or non-tactile feel
Inventor:
Lynn H. Rockwell
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Jul 29, 1983
Inventor
Lynn H. Rockwell
Assignee (at issue)
Sanders GmbH
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.