1920471

Information

• Patent Grant
• 1920471

• References
• Source

• Patent Number

  1,920,471

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1933
  91 years ago

• CPC

  • D05B69/06 - Pedal drives

• US Classifications

  • 112 - Sewing
  • 312 - Supports: cabinet structure