Granted Patent
Utility
US 6,686,410 · App. 09/646,841
Blending of polymeric materials and fillers
Inventor:
Richard W. Tomlinson
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Nov 10, 2000
Inventor
Richard W. Tomlinson
Assignee (at issue)
Uniroyal Chemical Company, Inc.
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.