Granted Patent
Utility
US 5,655,564 · App. 08/434,604
Septic system plastic distribution box with integrally fastened seal
Inventor:
Norman W. Gavin
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: May 4, 1995
Inventor
Norman W. Gavin
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.