Granted Patent
Utility
US 6,002,476 · App. 09/064,347
Chemical imaging system
Inventor:
Patrick J. Treado
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Apr 22, 1998
Inventor
Patrick J. Treado
Assignee (at issue)
SRchemical Co., Ltd.
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.