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Jewelry Patents By Company

 

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David Grad Company

Patent #152268
Date: Jan. 4, 1949
Item:   Jewelry Pin
Owner:   David Grad Company
Inventor: Kasoff, Daniel
Drawing
Specification
Patent #152420
Date:  Jan. 18, 1949
Item:   Jewelry Pin
Owner:   David Grad Company
Inventor: Kasoff, Daniel
Drawing
Specification
Patent #152421
Date:   Jan. 18, 1949
Item: Jewelry Pin
Owner:   David Grad Company
Inventor:  Kasoff, Daniel
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Specification
Patent #152422
Date:   Jan. 18, 1949
Item:   Jewelry Pin
Owner:   David Grad Company
Inventor: Kasoff, Daniel
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Specification
 
Patent #152423
Date: Jan. 18, 1949
Item:   Jewelry Pin
Owner:   David Grad Company
Inventor: Kasoff, Daniel
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Specification
Patent #152424
Date:  Jan. 18, 1949
Item:   Jewelry Pin
Owner:   David Grad Company
Inventor: Kasoff, Daniel
Drawing
Specification
Patent #152425
Date:   Jan. 18, 1949
Item: Jewelry Pin
Owner:   David Grad Company
Inventor:  Kasoff, Daniel
Drawing
Specification