Patents Assigned to Helena Vajs
  • Fire retardant
    Patent number: 4663226
    Abstract: The present invention relates to coatings which provide fire resistance or fireproofing of an underlying product. In particular, the invention relates to a flexible coating which provides fire resistance by the formation of two stages of fire protection.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: May 5, 1987
    Assignees: Helena Vajs, Julie Marie Pettit
    Inventors: Lubomir Vajs, Daniel M. Pettit