Granted Patent
Utility
US 6,055,693 · App. 08/580,191
Railway short span trestle bridge
Inventors:
Bradley R. Lehr, Jerry Martin, Mark Victor Holland, Mark L. McCune
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: Dec 28, 1995
Inventors
Bradley R. Lehr
Jerry Martin
Mark Victor Holland
Mark L. McCune
Assignee (at issue)
Owen Industries, 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.