Granted Patent
Utility
US 6,427,786 · App. 09/874,836
Electro-hydraulically controlled tractor
Inventors:
Ronald E. Beaufort, Norman Bruce Moore, Duane Bloom
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Jun 5, 2001
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.