Patents by Inventor Constance M. Van Valkenburg

Constance M. Van Valkenburg 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).

  • Through-the-wall air conditioner cover kit
    Patent number: 4389827
    Abstract: A kit for preventing heat loss and covering a through-the-wall air conditioner unit comprising a rigid foamed polymeric cover piece and an attachment means comprising a backing having a layer of pressure sensitive adhesive on one side and a sealing means on the opposite side.
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: June 28, 1983
    Inventor: Constance M. Van Valkenburg