Patents by Inventor Marianne M. Williams

Marianne M. Williams 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).

  • Free-standing, disposable fireplace reflector
    Patent number: 3994275
    Abstract: A free-standing, disposable fireplace reflector which may be placed in a fireplace behind a fire and effect reflection of both heat and light therefrom into a sitting room. The disposable nature of the reflector also allows it to be used to collect and dispose of burnt embers and the like. In a preferred form, the reflector is comprised of a laminate of aluminum sheeting affixed to a substrate of fire-retardant material.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: November 30, 1976
    Assignee: Marianne M. Williams
    Inventor: Marianne M. Williams