3549775

Information

• Patent Grant
• 3549775

• References
• Source

• Patent Number

  3,549,775

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 years ago

• CPC

  • G10H3/24 - incorporating feed-back means
  • Y10S84/12 - Side rhythm and percussion devices

• US Classifications

  • 084 - Music
  • 984 - Musical instruments