3180197

Information

• Patent Grant
• 3180197

• References
• Source

• Patent Number

  3,180,197

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1965
  59 years ago

• CPC

  • G10C3/30 - Couplers

• US Classifications

  • 084 - Music
  • 984 - Musical instruments