2190710

Information

• Patent Grant
• 2190710

• References
• Source

• Patent Number

  2,190,710

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1940
  84 years ago

• CPC

  • G06F7/461 - Adding; subtracting

• US Classifications

  • 235 - Registers
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems