2964857

Information

• Patent Grant
• 2964857

• References
• Source

• Patent Number

  2,964,857

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1960
  64 years ago

• CPC

  • G09B9/245 - Simulation of compasses, gyroscopes

• US Classifications

  • 434 - Education and demonstration