Granted Patent
Utility
US 6,761,090 · App. 10/265,644
Camming system for power tong jaws
Inventors:
Dan Dagenais, Leslie L. Szalacsi, Jonathan Fraser, Hermann Basler
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Oct 8, 2002
Inventors
Dan Dagenais
Leslie L. Szalacsi
Jonathan Fraser
Hermann Basler
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.