Granted Patent
Utility
US 4,301,338 · App. 06/031,150
Contact-sensing probe
Inventor:
David R. McMurtry
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Apr 18, 1979
Inventor
David R. McMurtry
Assignees (at issue)
Rolls-Royce Corporation
Renishaw Electrical Limited
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.