Granted Patent
Utility
US 4,433,812 · App. 06/429,153
Paint spray attachment
Inventor:
Thomas E. Grime
Patented Case
View Patent ↗
Granted: Feb 28, 1984
Filed: Sep 30, 1982
Inventor
Thomas E. Grime
Assignee (at issue)
Champion Spark Plug 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.