Granted Patent
Utility
US 4,644,101 · App. 06/807,807
Pressure-responsive position sensor
Inventors:
Sungho Jin, John J. Mottine, Jr., Richard C. Sherwood, Thomas H. Tiefel
Patented Case
View Patent ↗
Granted: Feb 17, 1987
Filed: Dec 11, 1985
Inventors
Sungho Jin
John J. Mottine, Jr.
Richard C. Sherwood
Thomas H. Tiefel
Assignee (at issue)
AT&T Bell Laboratories
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.