Granted Patent
Utility
US 4,259,272 · App. 05/932,891
Plastifying and molding articles from polymer strip
Inventor:
Norman W. MacFee
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Aug 10, 1978
Inventor
Norman W. MacFee
Assignee (at issue)
Textron 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.