Granted Patent
Utility
US 5,765,880 · App. 08/726,964
Pipe coupler
Inventor:
James B. Goddard
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Oct 7, 1996
Inventor
James B. Goddard
Assignee (at issue)
Advanced Drainage Systems, 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.