3020651

Information

• Patent Grant
• 3020651

• References
• Source

• Patent Number

  3,020,651

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  63 years ago

• CPC

  • G09B9/245 - Simulation of compasses, gyroscopes

• US Classifications

  • 434 - Education and demonstration