Jewelry Patents By Company

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Du Jay


Patent #113634 Date: March 7, 1939 Item: Brooch Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification	Patent #113742 Date: March 14, 1939 Item: Brooch Owner: Hirsch, Jules Inventor: Hirsch, Jules Drawing Specification	Patent #113748 Date: March 14, 1939 Item: Brooch Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification	Patent #113783 Date: March 14, 1939 Item: Brooch Owner: Hirsch, Jules Inventor: Hirsch, Jules Drawing Specification

Patent #114027 Date: March 28, 1939 Item: Pin-Clip Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification	Patent #114028 Date: March 28, 1939 Item: Pin-Clip Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification	Patent #114218 Date: April 11, 1939 Item: Clip Pin Owner: Hirsch, Jules Inventor: Hirsch, Jules Drawing Specification	Patent #114225 Date: April 11, 1939 Item: Brooch Pin Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification

Patent #114655 Date: May 9, 1939 Item: Brooch Owner: Hirsch, Jules Inventor: Hirsch, Jules. Drawing Specification	Patent #114656 Date: May 9, 1939 Item: Brooch Owner: Hirsch, Jules Inventor: Hirsch, Jules Drawing Specification	Patent #114661 Date: May 9, 1939 Item: Brooch Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification	Patent #114662 Date: May 9, 1939 Item: Brooch Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification

Patent #114663 Date: May 9, 1939 Item: Brooch Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification	Patent #114664 Date: May 9, 1939 Item: Brooch Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification	Patent #115401 Date: June 27, 1939 Item: Brooch Owner: Hirsch, Jules Inventor: Hirsch, Jules. Drawing Specification	Patent #115402 Date: June 27, 1939 Item: Clip Pin Owner: Hirsch, Jules Inventor: Hirsch, Jules Drawing Specification

Patent #115403 Date: June 27, 1939 Item: Brooch Owner: Hirsch, Jules Inventor: Hirsch, Jules Drawing Specification	Patent #115444 Date: June 27, 1939 Item: Brooch Owner: Hirsch, Jules Inventor: Hirsch, Jules Drawing Specification	Patent #115445 Date: June 27, 1939 Item: Brooch Owner: Hirsch, Jules Inventor: Hirsch, Jules. Drawing Specification	Patent #116290 Date: Aug. 22, 1939 Item: Clip Pin Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification

Patent #117925 Date: Dec. 5, 1939 Item: Pin Clip Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification	Patent #117926 Date: Dec. 5, 1939 Item: Pin Clip Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification	Patent #117927 Date: Dec. 5, 1939 Item: Pin Clip Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification	Patent #117928 Date: Dec. 5, 1939 Item: Pin Clip Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification

Patent #123163 Date: Dec. 5, 1939 Item: Pin Clip Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification	Patent #123211 Date: Dec. 5, 1939 Item: Pin Clip Owner: Leff, Jacques H. Inventor: Leff, Jacques H. Drawing Specification