Granted Patent
Utility
US 4,563,296 · App. 06/522,932
Plasticizer blend for polyvinyl butyral
Inventor:
I. Luis Gomez
Patented Case
View Patent ↗
Granted: Jan 7, 1986
Filed: Aug 12, 1983
Inventor
I. Luis Gomez
Assignee (at issue)
Monsanto Company
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.