Granted Patent
Utility
US 6,618,964 · App. 10/083,435
Snowplow mount
Inventors:
James A. Kost, Robert L. Potak
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Feb 27, 2002
Inventors
James A. Kost
Robert L. Potak
Assignee (at issue)
Louis Berkman Company
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.