Granted Patent
Utility
US 4,839,444 · App. 07/159,624
High solids enamel
Inventor:
Francois A. Lavallee
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Feb 23, 1988
Inventor
Francois A. Lavallee
Assignee (at issue)
Essex Group LLC
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.