Granted Patent
Utility
US 5,017,065 · App. 07/403,318
Retractable railcar hitch
Inventors:
John A. Krug, James C. Hammonds, Kenneth D. Schmidt, Dennis F. Paglusch
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Sep 6, 1989
Inventors
John A. Krug
James C. Hammonds
Kenneth D. Schmidt
Dennis F. Paglusch
Assignee (at issue)
ACF Industries Incorporated
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.