Granted Patent
Utility
US 4,354,302 · App. 06/189,248
Jacking tool for installing and removing draft gears on railway cars
Inventors:
Roger J. Weseloh, Russell G. Brandsma, John R. Hoshour
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Sep 22, 1980
Inventors
Roger J. Weseloh
Russell G. Brandsma
John R. Hoshour
Assignee (at issue)
American Standard Inc.
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.