Granted Patent
Utility
US 5,085,813 · App. 07/538,638
Dust free pan granulator and method of operation
Inventor:
Terry L. Corbett
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Jun 15, 1990
Inventor
Terry L. Corbett
Assignee (at issue)
Mobay 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.