Granted Patent
Utility
US 6,241,031 · App. 09/466,550
Electro-hydraulically controlled tractor
Inventors:
Ronald E. Beaufort, Norman Bruce Moore, Duane Bloom
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Dec 17, 1999
Inventors
Ronald E. Beaufort
Norman Bruce Moore
Duane Bloom
Assignee (at issue)
Western Well Tool, 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.