Granted Patent
Utility
US 4,330,246 · App. 06/232,068
Apparatus for controlling the proportion of liquid and dry particulate matter added to a pelletizer
Inventor:
Eugene C. Varrasso
Patented Case
View Patent ↗
Granted: May 18, 1982
Filed: Feb 6, 1981
Inventor
Eugene C. Varrasso
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.