Granted Patent
Utility
US 5,881,493 · App. 08/528,080
Methods for applying foam
Inventor:
Mario J. Restive
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Sep 14, 1995
Inventor
Mario J. Restive
Assignee (at issue)
D. B. Smith & Co. 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.