Granted Patent
Utility
US 4,457,546 · App. 06/392,810
Bumper assembly for trailer
Inventors:
Morris N. Wiant, Frank T. Schmidt
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Jun 28, 1982
Inventors
Morris N. Wiant
Frank T. Schmidt
Assignee (at issue)
The Coleman Company, 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.