Granted Patent
Utility
US 4,574,949 · App. 06/628,361
Polymer composition and articles prepared from same
Inventor:
Roger R. Rhoads
Patented Case
View Patent ↗
Granted: Mar 11, 1986
Filed: Jul 6, 1984
Inventor
Roger R. Rhoads
Assignee (at issue)
Owens-Illinois 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.