Patents by Inventor Menahem Ratzker

Menahem Ratzker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electroforming of metallic glasses for dental applications
    Patent number: 5316650
    Abstract: In a process of electroforming a metal to produce a dental prosthesis, the improvement comprising employing as the metal a metallic glass alloy such as cobalt and phosphorus containing 8-30% by weight of phosphorus. The electrolytic bath comprises:15-300 g/L CoSo.sub.4.7H.sub.2 O40-80 g/L CoCl.sub.2.6H.sub.2 O25-35 g/L H.sub.3 BC.sub.330-100 g/L H.sub.3 PO.sub.31-2 ml/L wetting agentpH about 0.8-2.0.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: May 31, 1994
    Inventors: Menahem Ratzker, David S. Lashmore, John A. Tesk