3030011

Information

• Patent Grant
• 3030011

• References
• Source

• Patent Number

  3,030,011

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1962
  62 years ago

• CPC

  • B43L13/14 - Devices for drawing in perspective
  • G06G1/02 - Devices in which computing is effected by adding, substracting, or comparing lengths of parallel or concentric graudated scales

• US Classifications

  • 235 - Registers