Granted Patent
Utility
US 5,765,486 · App. 08/558,488
Auto rack railway car
Inventors:
James E. Black, Jr., Andrew B. Eaker, Mark L. Litherland, Michael J. Rench, James C. Robertson, Ralph H. Schorr
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Nov 16, 1995
Inventors
James E. Black, Jr.
Andrew B. Eaker
Mark L. Litherland
Michael J. Rench
James C. Robertson
Ralph H. Schorr
Assignee (at issue)
Thrall Car Manufacturing 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.