Granted Patent
Utility
US 6,375,196 · App. 09/410,124
Sealing system for a screw conveyor and drive
Inventor:
Allyn E. Phillips
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Sep 30, 1999
Inventor
Allyn E. Phillips
Assignee (at issue)
Reliance Electric Technologies, LLC
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.