Granted Patent
Utility
US 3,991,477 · App. 05/598,512
Probe for a coordinate measuring machine
Inventors:
Richard B. Zipin, John E. Hart, John Grass
Patented Case
View Patent ↗
Granted: Nov 16, 1976
Filed: Jul 22, 1975
Inventors
Richard B. Zipin
John E. Hart
John Grass
Assignee (at issue)
Bendix 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.