Granted Patent
Utility
US 4,176,764 · App. 05/900,323
Mechanically operated mixing dispenser having a plurality of expansible chambers and a plurality of accumulating chambers
Inventors:
Nicholas G. Capra, Ronald L. Antenore
Patented Case
View Patent ↗
Granted: Dec 4, 1979
Filed: Apr 26, 1978
Inventors
Nicholas G. Capra
Ronald L. Antenore
Assignee (at issue)
James D. Pauls, Limited
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.