Granted Patent
Utility
US 4,447,383 · App. 06/348,829
Method of centrifugally pelletizing certain synthetic plastic materials
Inventors:
Harutun George Karian, David B. Todd
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Feb 16, 1982
Inventors
Harutun George Karian
David B. Todd
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.