3331147

Information

• Patent Grant
• 3331147

• References
• Source

• Patent Number

  3,331,147

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1967
  57 years ago

• CPC

  • A43D89/00 - Sole-levelling machines with rolls

• US Classifications

  • 036 - Boots, shoes, and leggings
  • 012 - Boot and shoe making