Granted Patent
Utility
US 5,121,870 · App. 07/692,884
Method for reducing time to place a tool onto a workpiece
Inventors:
Daniel D. Evans, Dale W. Cawelti, John B. Gabaldon
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Apr 29, 1991
Inventors
Daniel D. Evans
Dale W. Cawelti
John B. Gabaldon
Assignee (at issue)
Hughes Aircraft Company
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.