Patents by Inventor Lars C. Holmqvist

Lars C. Holmqvist 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).

  • Device for installing a roller blind cassette
    Patent number: 4168734
    Abstract: A roller blind cassette has two holders displaceable along the cassette to its ends when the cassette has been placed between two opposing elements of a window frame or the like, said elements having fixtures with projecting members engaging the holders at their end positions for holding the cassette in position.
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: September 25, 1979
    Inventors: Thure O. Holmqvist, Lars C. Holmqvist