Granted Patent
Utility
US 6,068,003 · App. 09/346,438
Method and apparatus for closed-loop pressure washing using ozonation
Inventors:
Howard B. Kosofsky, Lawrence A. Shrieber, Richard O. Rhodes, Michael D. Damron, Eduardo M. Garcia
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Jul 1, 1999
Inventors
Howard B. Kosofsky
Lawrence A. Shrieber
Richard O. Rhodes
Michael D. Damron
Eduardo M. Garcia
Assignee (at issue)
EZ Environmental Solutions Corporation
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.