Granted Patent
Utility
US 4,026,945 · App. 05/593,737
Anti-microbial quaternary ammonium co-polymers
Inventors:
Harold A. Green, John J. Merianos, Alfonso N. Petrocci
Patented Case
View Patent ↗
Granted: May 31, 1977
Filed: Jul 7, 1975
Inventors
Harold A. Green
John J. Merianos
Alfonso N. Petrocci
Assignee (at issue)
Millmaster Onyx Group, 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.