Granted Patent
Utility
US 6,303,234 · App. 08/818,195
Process of using sodium silicate to create fire retardant products
Inventors:
K. M. Slimak, Robert A. Slimak
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Mar 14, 1997
Inventors
K. M. Slimak
Robert A. Slimak
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.