Granted Patent
Utility
US 4,548,273 · App. 06/554,208
Torque multiplier subsea tool
Inventors:
Frederick M. Leicht, Benton Frederick Baugh, Harish C. Palany
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Nov 22, 1983
Inventors
Frederick M. Leicht
Benton Frederick Baugh
Harish C. Palany
Assignee (at issue)
SMITH INTERNATIONAL, 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.