Patents Assigned to BCGS, Inc.
  • Method of manufacturing lightweight composite glass-plastic lenses
    Patent number: 4948447
    Abstract: A process and product for the manufacture of a composite plastic lens wherein the plastic lens component is subjected to ultraviolet rays under conditions to eliminate substantially any unreacted double bonds therein.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: August 14, 1990
    Assignee: BCGS, Inc.
    Inventors: Louis G. Clarke, Clifford G. Gruschow