Patents by Inventor Alfred J. Hallal

Alfred J. Hallal 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: 4868040
    Abstract: The present invention relates to a unitary anti-ballistic composite armor of the type which comprises a base layer element and an energy absorbing body, the base layer element comprising a plurality of layers of reinforcing fibrous material embedded, in laminar relationship, in an organic polymeric shatter-resistant matrix, the base layer element also being adapted to entrap particles produced on impact of a projectile with said energy absorbing body. The composite armor in accordance with the present invention is characterized in that it also includesa frontal layer element, andsaid energy absorbing body is disposed betweenthe frontal and base layer elements, said frontal layer element comprising a plurality of layers of reinforcing fibrous material embedded, in laminar relationship, in an organic shatter-resistant polymeric matrix, said frontal layer element being capable of deforming the geometry of the projectile, and said energy absorbing body being bonded to said frontal and base layer elements.
    Type: Grant
    Filed: October 20, 1988
    Date of Patent: September 19, 1989
    Assignee: Canadian Patents & Development Limited
    Inventors: Alfred J. Hallal, John Arsenault, Robert Guillemette
  • Patent number: 4486491
    Abstract: A self-supporting, decorative, armor panel having: a central armor core consisting of layers of fiberglass bonded together with resin; an outer, decorative, non-ricocheting laminate on each side of the armor core. Each laminate has an outer, decorative cover layer and a plurality of paper layers bonded together with resin. In a process of making the same the laminates are bonded to the armor core simultaneously with the bonding together of all the layers.
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: December 4, 1984
    Inventors: Peter S. Kerekes, Wagdi Kaddis, Alfred J. Hallal