Granted Patent
Utility
US 5,397,496 · App. 08/038,011
Composition for the treatment of overspray in paint spray booths containing secondary alcohol esters
Inventors:
Edwin C. Zuerner, Robert A. Patzelt, Norman Foster
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Mar 29, 1993
Inventors
Edwin C. Zuerner
Robert A. Patzelt
Norman Foster
Assignee (at issue)
Nortru, 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.