Granted Patent
Utility
US 5,658,971 · App. 08/455,130
Coating composition
Inventors:
Gaylord Allin, Mark Gorham
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: May 31, 1995
Inventors
Gaylord Allin
Mark Gorham
Assignee (at issue)
Dallas Enviro-Tek International, Inc.
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.