Patents by Inventor John C. Romanowski

John C. Romanowski 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).

  • Patent number: 5811359
    Abstract: Fire-retardant barrier structures. The fire-retardant barrier structures are useful for protecting military personnel and equipment from both fire and chemical and/or biological agents. The fire-retardant barriers are multilayer structures having desirable flammability characteristics and resistance to nuclear, chemical and/or biological agents. The preferred barriers also possess favorable durability properties and are printable.
    Type: Grant
    Filed: September 1, 1994
    Date of Patent: September 22, 1998
    Inventor: John C. Romanowski
  • Patent number: 5344697
    Abstract: Fire-retardant barriers are described which are useful for protecting military personnel and equipment from both fire and chemical and/or biological agents. The fire-retardant barriers are multilayered structures having desirable flammability characteristics and resistance to chemical and/or biological agents. The preferred barriers also possess favorable durability properties and are printable.
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: September 6, 1994
    Inventor: John C. Romanowski
  • Patent number: 4975316
    Abstract: A fire-retardant laminated plastic material which includes a woven barrier layer of high-density polyethylene sandwiched between outer layers of low-density polyethylene material in which a polymer of antimony trioxide is incorporated in the outer layers. Additional outer layers may be laminated to the structure to serve as a carrier of pigments or to increase abrasion resistance of the structure.
    Type: Grant
    Filed: March 16, 1989
    Date of Patent: December 4, 1990
    Inventor: John C. Romanowski