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Patents
Patents Assigned to L. Krochmal and Sons
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
Precious stone
Patent number:
D545238
Type:
Grant
Filed:
November 14, 2006
Date of Patent:
June 26, 2007
Assignee:
L. Krochmal & Sons, besloten vennootschap met beperkte aansprakelijkheid
Inventor:
Henry Krochmal
Precious stone
Patent number:
D547692
Type:
Grant
Filed:
August 28, 2006
Date of Patent:
July 31, 2007
Assignee:
L. Krochmal & Sons, besloten vennootschap met beperkte aansprakelijkheid
Inventor:
Henry Krochmal