Granted Patent
Utility
US 5,688,449 · App. 08/537,988
Method of forming and extruding an additive-coated resin composition
Inventor:
Steve Fox
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Oct 2, 1995
Inventor
Steve Fox
Assignee (at issue)
NiTech 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.