3929052

Information

• Patent Grant
• 3929052

• References
• Source

• Patent Number

  3,929,052

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1975
  49 years ago

• CPC

  • G10H1/20 - for transposition

• US Classifications

  • 084 - Music
  • 984 - Musical instruments