Granted Patent
Utility
US 4,514,817 · App. 06/233,000
Position sensing and indicating device
Inventors:
Robert B. Pepper, James Maples
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Feb 10, 1981
Inventors
Robert B. Pepper
James Maples
Assignee (at issue)
Robert B. Pepper
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.