Patents by Inventor Herold E. Comstock

Herold E. Comstock 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: 4373915
    Abstract: An iatrogenic shield which includes a resilient band of stainless steel having a front portion which is placed against the interproximal surface of a tooth to protect it from inadvertent contact with dental instruments. Two side portions contract against the buccal and lingual surfaces of the tooth to hold the shield in place and each include permanent loops used for placement and removal of the shield. The front portion may also include a recess along its gingival edge and a lip along its occlusal edge.
    Type: Grant
    Filed: November 2, 1981
    Date of Patent: February 15, 1983
    Inventor: Herold E. Comstock