Granted Patent
Utility
US 5,756,571 · App. 08/799,842
Intumescent thermoplastic polyamide graft polymers
Inventor:
William P. Moore
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Feb 13, 1997
Inventor
William P. Moore
Assignee (at issue)
Agrinutrients 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.