Granted Patent
Utility
US 5,664,378 · App. 08/568,464
Exodermic deck system
Inventors:
Robert A. Bettigole, Neal H. Bettigole
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Dec 7, 1995
Inventors
Robert A. Bettigole
Neal H. Bettigole
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.