Granted Patent
Utility
US 6,682,001 · App. 10/175,362
Modular color changer
Inventor:
Michael J. Diana
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Jun 19, 2002
Inventor
Michael J. Diana
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.