3420992

Information

• Patent Grant
• 3420992

• References
• Source

• Patent Number

  3,420,992

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  55 years ago

• CPC

  • G06F7/5013 - using algebraic addition of the input signals
  • G06F2207/4828 - Negative resistance devices

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating
  • 326 - Electronic digital logic circuitry