Granted Patent
Utility
US 4,412,964 · App. 06/348,734
Centrifugal pelletizing systems and process
Inventors:
David B. Todd, James Layfield
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: Feb 16, 1982
Inventors
David B. Todd
James Layfield
Assignee (at issue)
Baker Perkins 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.