Granted Patent
Utility
US 6,163,985 · App. 09/285,978
System for controlling a snowplow and other vehicle accessories
Inventors:
Ronald Thomas Chinnery, Lynn Richardson
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Apr 5, 1999
Inventors
Ronald Thomas Chinnery
Lynn Richardson
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.