Patent US 3967140A: Revision history

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13 March 2022

  • curprev 03:0103:01, 13 March 2022‎ Peter talk contribs‎ 181 bytes +181‎ Created page with "{{Patent |Office=US |Number=3967140A |Title=Tunnel diode pulse generator |Company=US Department of Commerce |Inventors=Jim Andrews; |Filing date=1975-01-13 |Grant date=1976-06..."
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