3544768

Information

• Patent Grant
• 3544768

• References
• Source

• Patent Number

  3,544,768

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1970
  54 years ago

• CPC

  • G06G1/08 - with circular or helical scales
  • G06G1/0068 - for conversion from one unit system to another

• US Classifications

  • 235 - Registers
  • 434 - Education and demonstration