Granted Patent
Utility
US 4,351,734 · App. 05/942,864
Spark cell ozone generator
Inventor:
Gilbert Kauffman
Patented Case
View Patent ↗
Granted: Sep 28, 1982
Filed: Sep 15, 1978
Inventor
Gilbert Kauffman
Assignee (at issue)
Ametek, 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.