Granted Patent
Utility
US 4,254,597 · App. 06/066,571
Sectionalized driven rod
Inventors:
Gilbert J. Feldman, Richard A. Feldman
Patented Case
View Patent ↗
Granted: Mar 10, 1981
Filed: Aug 15, 1979
Inventors
Gilbert J. Feldman
Richard A. Feldman
Assignee (at issue)
Allied Surveyor Supplies Mfg. 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.