Patents by Inventor Martin L. Kasbohm

Martin L. Kasbohm 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: 4629117
    Abstract: A retrofit heat recovery device for installation on existing hot air furnaces. The device is arranged to make use of the existing hot pin furnace blower.
    Type: Grant
    Filed: September 4, 1984
    Date of Patent: December 16, 1986
    Inventor: Martin L. Kasbohm