Granted Patent
Utility
US 4,723,949 · App. 06/906,957
Filling device and cap for underwater drainage device
Inventors:
John S. Gentelia, Stephen John Roberts
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Sep 15, 1986
Inventors
John S. Gentelia
Stephen John Roberts
Assignee (at issue)
Conmed Corporation
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.