Patents by Inventor Louis C. Riggs

Louis C. Riggs 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: 4043093
    Abstract: The device holds articles on a sloping roof and comprises a holding portion and an attaching portion. The holding portion has a structural configuration to contain the articles and the attaching portion is effective to fit between successive courses of roofing shingles fixed on the sloping roof. The attaching portion includes a bent end flange effective to hook downwardly over the top edge of the lower course of successive courses of shingles. The device has a first end section, a base end section, a back section, an insertion section and a second end section. Each of these sections are connected to each other by a series of bends in a single piece of material having five sections and four bends.
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: August 23, 1977
    Inventor: Louis C. Riggs