Granted Patent
Utility
US 4,460,362 · App. 06/400,518
Drainage system with holding chamber
Inventor:
David A. Bates
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: Jul 21, 1982
Inventor
David A. Bates
Assignee (at issue)
The Kendall Company LP
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.