Granted Patent
Utility
US 6,189,809 · App. 09/404,023
Multi-feed spray gun
Inventor:
Gary Schwebemeyer
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Sep 23, 1999
Inventor
Gary Schwebemeyer
Assignee (at issue)
ILLINOIS TOOL WORKS 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.