Granted Patent
Utility
US 4,367,326 · App. 06/306,184
Process for the production of polyepoxy silicate resins
Inventor:
David H. Blount
Patented Case
View Patent ↗
Granted: Jan 4, 1983
Filed: Sep 28, 1981
Inventor
David H. Blount
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.