Granted Patent
Utility
US 4,924,005 · App. 06/944,157
Bismaleimide resins
Inventor:
Ronald H. Dahms
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Dec 18, 1986
Inventor
Ronald H. Dahms
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.