Granted Patent
Utility
US 6,244,138 · App. 09/145,169
Torque reaction device
Inventor:
Peter Campbell
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Sep 1, 1998
Inventor
Peter Campbell
Assignee (at issue)
Furmanite Worldwide, 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.