Granted Patent
Utility
US 4,544,397 · App. 06/510,866
Feeder mechanism for supplying gobs of plastic material
Inventor:
Frank Fenton
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Jul 5, 1983
Inventor
Frank Fenton
Assignee (at issue)
Emhart Industries, 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.