Patents by Inventor Leopold Adler

Leopold Adler 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).

  • Insect protection for openings of buildings
    Patent number: 4444238
    Abstract: An insect protector for an opening in a building comprising a net material of greater dimension than the opening, permanently creased in the horizontal direction, draw cords operating through vertically disposed openings in the net to fold and to extend the net protector, a rod secured to the lower edge of the protector, and means to hold the excess length of the net protector against the lower rod in the extended position.
    Type: Grant
    Filed: June 9, 1982
    Date of Patent: April 24, 1984
    Inventor: Leopold Adler