Patents Assigned to Richard J. Spera
  • Copper marine cladding composition
    Patent number: 5760103
    Abstract: A marine cladding composition comprising in combination:a. Copper powderb. Two epoxy resins1. Bisphenol A epoxy resin and2. Polyglycol di-epoxidec. Glass fibersd. Polydimethyl siloxanee. Two amine curing agents1. A polyammido amine and2.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: June 2, 1998
    Assignees: Joseph M. Wentzell, Richard J. Spera
    Inventor: Joseph M. Wentzell