Granted Patent
Utility
US 5,899,646 · App. 08/813,087
Securement of lumber or like products on centerbeam railcars using spooled webbing
Inventors:
Richard A. Tatina, Eugene J. Korzenko
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Mar 7, 1997
Inventors
Richard A. Tatina
Eugene J. Korzenko
Assignee (at issue)
Portec Rail Products, 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.