Granted Patent
Utility
US 4,240,905 · App. 06/031,296
High solids mixture aeration method
Inventor:
Carl Scaccia
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Apr 18, 1979
Inventor
Carl Scaccia
Assignee (at issue)
Union Carbide Corporation
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.