Granted Patent
Utility
US 6,136,220 · App. 09/386,958
Compositions for treating paint spray booth water
Inventors:
Howard B. Agree, Barry P. Gunagan, Edward A. Rodzewich
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Aug 31, 1999
Inventors
Howard B. Agree
Barry P. Gunagan
Edward A. Rodzewich
Assignee (at issue)
Betzdearborn, 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.