1623233

Information

• Patent Grant
• 1623233

• References
• Source

• Patent Number

  1,623,233

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1927
  97 years ago

• CPC

  • D04B15/62 - with thread knotters

• US Classifications

  • 289 - Knots and knot tying