Patents by Inventor Alfio Cresti

Alfio Cresti 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: 4490954
    Abstract: A masking cover for a wall surface 16 around a pipe 15 which emerges therefrom, constituted by two circular concentric plates 10 and 11 each provided with a radial slot 13 having parallel edges which are connected together by a semicircular portion 14 having its center coinciding with that of the plates 10 and 11, the plates being arranged for mounting by way of their slot 13 around the pipe 15 in order to form a single stable facing in the form of a circular masking cover.
    Type: Grant
    Filed: June 25, 1982
    Date of Patent: January 1, 1985
    Inventor: Alfio Cresti