Patents by Inventor Leonard G. Pfaffinger

Leonard G. Pfaffinger 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).

  • Range-hood installation device
    Patent number: 4011803
    Abstract: A range-hood installation device for use on canopy-type range-hoods so as to facilitate one-man installation by allowing preliminary juxtaposition of a range-hood against a wall or soffit through the use of two snap-in retaining brackets which hold the range-hood in place while allowing an installer to more easily finish complete installation by securing additional bolting devices.
    Type: Grant
    Filed: April 10, 1975
    Date of Patent: March 15, 1977
    Assignee: Aubrey Manufacturing, Incorporated
    Inventor: Leonard G. Pfaffinger