Granted Patent
Utility
US 4,493,153 · App. 06/540,096
Measuring apparatus and method of making
Inventor:
Robert L. Esken
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Oct 7, 1983
Inventor
Robert L. Esken
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.