Granted Patent
Utility
US 5,622,599 · App. 08/266,773
Method and apparatus for coating pulp products
Inventors:
Barry Sproule, Marian Corak, Nick Saltarelli
Patented Case
View Patent ↗
Granted: Apr 22, 1997
Filed: Jun 28, 1994
Inventors
Barry Sproule
Marian Corak
Nick Saltarelli
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.