IP Library Granted Patent US 4,136,300
Granted Patent Utility
US 4,136,300 · App. 05/729,592

Cathode ray tube having improved shadow mask

Inventor: Albert M. Morrell
Patented Case View Patent ↗
Granted: Jan 23, 1979 Filed: Oct 4, 1976
Inventor
Albert M. Morrell
Assignee (at issue)
RCA 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.

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Quick Facts
Patent No.
US 4,136,300
App. No.
05/729,592
Filed
1976-10-04
Granted
1979-01-23
Kind
A