2552201

Information

• Patent Grant
• 2552201

• References
• Source

• Patent Number

  2,552,201

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1951
  74 years ago

• CPC

  • G06G1/00 - Hand manipulated computing devices
  • G06G3/02 - for performing additions or subtractions

• US Classifications

  • 235 - Registers