Granted Patent
Utility
US 4,246,358 · App. 06/103,977
Fire-resistant material and process
Inventor:
James A. Ellard
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Dec 17, 1979
Inventor
James A. Ellard
Assignee (at issue)
Monsanto Research Corporation
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.