Patents by Inventor Leo Schools

Leo Schools 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: 5028165
    Abstract: Corner connection for frames for double glazing, characterized in that it principally consists of two hollow profiles (1) to be connected to each other and a corner profile (20) of which the arms can be placed in open cavities (4) of the profiles (1) and that has a sealing wall (23) between the arms (21-22) which after joining together the profiles (1) seals the closed hollows (3) of the profiles (1).
    Type: Grant
    Filed: September 27, 1989
    Date of Patent: July 2, 1991
    Assignee: Atlas Isolaties, personenvennootschap met be-perkte aansprakelijkheid
    Inventor: Leo Schools