3009639

Information

• Patent Grant
• 3009639

• References
• Source

• Patent Number

  3,009,639

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1961
  63 years ago

• CPC

  • G06F7/42 - Adding Subtracting

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating