Patents Assigned to L. Krochmal and Sons
  • Precious stone
    Patent number: D500961
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: January 18, 2005
    Assignee: L. Krochmal and Sons, besloten vennootschap met beperkte aansprakelijkheid
    Inventor: Ronald Krochmal
  • Precious stone
    Patent number: D506411
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: June 21, 2005
    Assignee: L. Krochmal and Sons
    Inventor: Ronald Krochmal