 Pat. 1718113 June 18, 1929 P. Cohen, et. al. Ring |
 Pat. 1771129 July 22, 1930 W. Lampl Convertible Necklace & Brooch |
 Pat. 4, 774, 743 Oct 4, 1988 H. Ziemelis Jewelry Clasp |
Pat. 1798867 March 31, 1931 G. Candas Brooch & The Like |
 Pat. 1801128 April 14, 1931 Binding for Clasps A.E. Waller |
 Pat. 1852188 April 5, 1932 Brooch or Clasp E. A. Phinney |
 Pat. 1933576, November 7, 1933 Manufacture of Bracelets Thanks to Two Sisters Too E. L. Weed |
 Pat. 1945268 January 30, 1934 Ornament Retaining Device J. Fielding |
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