Patents by Inventor Sandor Hajdu

Sandor Hajdu 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: 5293807
    Abstract: A bullet proof shield includes a first plate hingedly mounted to a second plate, with the first plate and second plate defining a slot, with the slot having a slot first abutment edge and second abutment edge that are coplanar to provide support for a firearm to direct fire through the slot. The shield is arranged to accommodate hingedly directing the first plate to the second plate, having first and second handle slots at equal orientations below coplanar top edges of the first and second plates to permit ease of transport and storage of the shield construction. Spike members projecting downwardly of the plates permit ease of positioning of the plates with an underlying ground surface.
    Type: Grant
    Filed: August 24, 1992
    Date of Patent: March 15, 1994
    Inventor: Sandor Hajdu