Granted Patent
Utility
US 4,557,628 · App. 06/594,418
Method and apparatus for remotely cutting broken underwater guidelines
Inventor:
William S. Cowan
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Mar 28, 1984
Inventor
William S. Cowan
Assignee (at issue)
Armco 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.