3483634

Information

• Patent Grant
• 3483634

• References
• Source

• Patent Number

  3,483,634

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1969
  55 years ago

• CPC

  • G09B9/22 - including aircraft sound simulation

• US Classifications

  • 434 - Education and demonstration
  • 340 - Communications: electrical