2784431

Information

• Patent Grant
• 2784431

• References
• Source

• Patent Number

  2,784,431

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1957
  67 years ago

• CPC

  • A43D31/04 - Machines for inserting shank stiffeners

• US Classifications

  • 012 - Boot and shoe making