Patents by Inventor Hubert Koert

Hubert Koert 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).

  • Impact resistant safety glass panel
    Patent number: 4201828
    Abstract: Impact resistant glass laminates formed of at least one silicate glass panel and at least one polycarbonate panel bonded together by a methacrylate resin formed from at least 50% by weight of the polymerizable mixture of 2-ethylhexyl methacrylate.
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: May 6, 1980
    Assignees: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Fritz Evers
    Inventors: Wolfgang Triebel, Siegfried Hari, Hubert Koert, Fritz Evers