Granted Patent
Utility
US 6,254,151 · App. 09/088,030
Mounting arrangement for crossing arm
Inventor:
Ronald C. Lamparter
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Jun 1, 1998
Inventor
Ronald C. Lamparter
Assignee (at issue)
Transpec, 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.