Granted Patent
Utility
US 4,301,854 · App. 06/072,494
Chill roll casting of continuous filament
Inventors:
John R. Bedell, Naim S. Hemmat, Donald E. Polk
Patented Case
View Patent ↗
Granted: Nov 24, 1981
Filed: Sep 4, 1979
Inventors
John R. Bedell
Naim S. Hemmat
Donald E. Polk
Assignee (at issue)
ALLIED CONSULTING, 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.