Patents Received, 1940-1971

File — Box: 34, Folder: 4-8

Staff Only

Scope and Contents

This folder contains Image dissector, cathode ray amplifier, image amplifier, television projection system, television image analyzing tube, cathode ray tube, ion transport vacuum pump, and process and apparatus for drying and treating lumber.

Dates

1940-1971

Language of Materials

From the Collection: Collection materials are in English.

Conditions Governing Access

Twenty-four hour advanced notice encouraged. Materials must be used on-site. Access to parts of this collection may be restricted under provisions of state or federal law.