3813983

Information

• Patent Grant
• 3813983

• References
• Source

• Patent Number

  3,813,983

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  50 years ago

• CPC

  • G10D3/006 - Winding tools, separate from the musical instrument

• US Classifications

  • 084 - Music
  • 081 - Tools