3700784

Information

• Patent Grant
• 3700784

• References
• Source

• Patent Number

  3,700,784

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1972
  52 years ago

• CPC

  • G10H1/24 - for selecting plural preset register stops
  • G10H2220/215 - using a magnetic strip on a card or sheet

• US Classifications

  • 084 - Music
  • 984 - Musical instruments