Granted Patent
Utility
US 5,906,648 · App. 08/902,423
Collision avoidance system for vehicles having elevated apparatus
Inventors:
Paul Zoratti, Thomas J. Blessing
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Jul 29, 1997
Inventors
Paul Zoratti
Thomas J. Blessing
Assignee (at issue)
Erim International, 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.