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David ROZENVASSER

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  • Englewood Cliffs, NJ, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD AND APPARATUS FOR FORMING JEWELRY CHAINS FORMED FROM LINKS
    • Publication number 20080196382
    • Publication date Aug 21, 2008
    • David ROZENVASSER
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    CAGE TYPE JEWELRY LINKS
    • Publication number 20070277498
    • Publication date Dec 6, 2007
    • David ROZENVASSER
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...