Granted Patent
Utility
US 4,564,068 · App. 06/554,209
Emergency release for subsea tool
Inventor:
Benton Frederick Baugh
Patented Case
View Patent ↗
Granted: Jan 14, 1986
Filed: Nov 22, 1983
Inventor
Benton Frederick Baugh
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.