2668661

Information

• Patent Grant
• 2668661

• References
• Source

• Patent Number

  2,668,661

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1954
  71 years ago

• CPC

  • G06F7/443 - by successive additions or subtractions

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating