3920272

Information

• Patent Grant
• 3920272

• References
• Source

• Patent Number

  3,920,272

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • B42B2/02 - Machines for stitching with thread

• US Classifications

  • 289 - Knots and knot tying
  • 112 - Sewing