U.S. Patent #2,558,021, 1951 June 26.

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U.S. Patent #2,558,021, 1951 June 26.

http://www.worldcat.org/oclc/122447619

Includes early petitions, correspondence, and final patent for thermionic vacuum tubes and circuits, which was invented by Russell Varian and David Packard, and assigned to the Board of Trustees of the Leland Stanford Junior University in 1951 for 17 years.

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Stanford University. Department of Special Collections and University Archives

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SNAC Resource ID: 6715467

Stanford University. Department of Special Collections and University Archives

Related Entities

There are 2 Entities related to this resource.

Packard, David, 1912-1996

http://n2t.net/ark:/99166/w6q81f36 (person)

Varian, Russell Harrison, 1898-1959

http://n2t.net/ark:/99166/w6rx9f0r (person)

Inventor of the Klystron and co-founder of Varian Associates. From the description of Notebook, 1898-1960. (Unknown). WorldCat record id: 122500204 Biography Russsell and Sigurd Varian were co-inventors, with William W. Hansen, of the klystron and rhumbatron and co-founders of Varian Associates. Educated at Stanford University, physicist and inventor Russell Varian began his career with Philo Farnsworth on early televisio...