Granted Patent
Utility
US 6,213,216 · App. 09/263,053
Snubbing unit tong apparatus
Inventor:
Tommie L. Rogers
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Mar 5, 1999
Inventor
Tommie L. Rogers
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.