3776087

Information

• Patent Grant
• 3776087

• References
• Source

• Patent Number

  3,776,087

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1973
  51 years ago

• CPC

  • G10H5/04 - with semiconductor devices as active elements
  • G10H1/0558 - using variable resistors

• US Classifications

  • 084 - Music
  • 984 - Musical instruments