Granted Patent
Utility
US 6,357,612 · App. 08/843,014
Rail car cushioning device and method for positioning same
Inventors:
Jay P. Monaco, Julius I. Perchets, Mark P. Scott
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Apr 11, 1997
Inventors
Jay P. Monaco
Julius I. Perchets
Mark P. Scott
Assignee (at issue)
ASF Keystone, 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.