Granted Patent
Utility
US 4,451,610 · App. 06/302,814
Preparation of curable solid polyester resin pellets and powders
Inventor:
Jon E. Collister
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Sep 16, 1981
Inventor
Jon E. Collister
Assignee (at issue)
Premix, 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.