Granted Patent
Utility
US 4,384,293 · App. 06/188,368
Apparatus and method for providing pointing information
Inventors:
Paul S. Deem, Paul H. Grobert
Patented Case
View Patent ↗
Granted: May 17, 1983
Filed: Sep 18, 1980
Inventors
Paul S. Deem
Paul H. Grobert
Assignee (at issue)
Magnavox Government and Industrial Electronics Company
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.