Granted Patent
Utility
US 4,177,658 · App. 05/913,761
Methods and apparatus for continuous extrusion
Inventors:
Nazeer Ahmed, Francis J. Fuchs, Jr.
Patented Case
View Patent ↗
Granted: Dec 11, 1979
Filed: Jun 8, 1978
Inventors
Nazeer Ahmed
Francis J. Fuchs, Jr.
Assignee (at issue)
Western Electric 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.