Granted Patent
Utility
US 5,331,902 · App. 08/088,070
Truck boltser with laterally wider friction show pocket and mechanism for lateral travel of the friction shoe
Inventors:
V. Terrey Hawthorne, Anthony R. Hiatt, Franklin S. McKeown, Jr.
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Jul 6, 1993
Inventors
V. Terrey Hawthorne
Anthony R. Hiatt
Franklin S. McKeown, Jr.
Assignee (at issue)
AMSTED 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.