Granted Patent
Utility
US 4,299,016 · App. 06/099,460
Cathode ray tube neck cleansing-scavenging means and method
Inventors:
Thomas P. DeFranco, Armando V. Marino
Patented Case
View Patent ↗
Granted: Nov 10, 1981
Filed: Dec 3, 1979
Inventors
Thomas P. DeFranco
Armando V. Marino
Assignee (at issue)
Zenith Radio 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.