PATENT COVER GRAPHIC


United States Patent 3,492,023
February 10, 1970

Method Of Producing Semiconductor Integrated Circuits
Heinz Dorendorf

Filed April 21, 1966
Image of US PATENT 3,492,023

Abstract of the Disclosure

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Figure descriptions: cover graphic


 Citations [54]:

  
3,076,051 01/1963 Haba 3,158,788 11/1964 Last 3,271,625 09/1966 Caracciolo 3,307,239 03/1967 Lepselter
National Museum of American History
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