Granted Patent
Utility
US 4,795,957 · App. 07/092,637
Robot arm having motion-limiting tether
Inventors:
Edward H. MacNeal, Jr., Kenneth W. Stadtman
Patented Case
View Patent ↗
Granted: Jan 3, 1989
Filed: Sep 3, 1987
Inventors
Edward H. MacNeal, Jr.
Kenneth W. Stadtman
Assignee (at issue)
Polaroid-Corporation-Patent Department
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.