Granted Patent
Utility
US 6,199,889 · App. 09/167,649
Reduced weight fifth wheel assembly
Inventors:
Ronald D. Golembiewski, V. Terrey Hawthorne, John W. Kaim, Jeffrey Ruback
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Oct 6, 1998
Inventors
Ronald D. Golembiewski
V. Terrey Hawthorne
John W. Kaim
Jeffrey Ruback
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.