Granted Patent
Utility
US 5,014,912 · App. 07/279,535
Device for displacing a submerged article
Inventor:
David A. Brooks
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Dec 5, 1988
Inventor
David A. Brooks
Assignee (at issue)
Oakleigh, Ltd.
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.