Patents by Inventor Lee W. Stahl

Lee W. Stahl 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: 3964165
    Abstract: An orthodontic apparatus for use with a single straight arch wire in both the edgewise and the light-wire techniques to apply a continuous gentle pressure to teeth. One embodiment of the apparatus has a wire retaining bracket made of an elastomeric vinyl polymer which is banded to or molded integral with a band which is affixed to a tooth. The bracket has a pair of parallel upstanding wings which include a horizontal slot and retaining tips for retaining the arch wire. The horizontal slot has a liner formed of a substantially rigid material with the retaining tips formed on the upper and lower walls thereof. The wings have generally triangularly shaped tying tips for use with a ligature wire or elastic connector to apply pressure to a tooth. The tying wing tips also may have horizontal apertures therein for receiving a ligature wire. The bracket also has a vertical tubular aperture extending therethrough for retaining an attachment pin of a "C-clamp" appliance.
    Type: Grant
    Filed: May 23, 1974
    Date of Patent: June 22, 1976
    Inventor: Lee W. Stahl