2802387

Information

• Patent Grant
• 2802387

• References
• Source

• Patent Number

  2,802,387

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1957
  67 years ago

• CPC

  • G10D9/005 - Tuning devices

• US Classifications

  • 084 - Music
  • 984 - Musical instruments