3916754

Information

• Patent Grant
• 3916754

• References
• Source

• Patent Number

  3,916,754

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1975
  49 years ago

• CPC

  • G10C3/12 - Keyboards Keys
  • G10C3/30 - Couplers
  • G10H1/32 - Constructional details
  • G10H1/38 - Chord

• US Classifications

  • 084 - Music