Patents by Inventor Jeffrey L. Calvagno

Jeffrey L. Calvagno 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: D329972
    Type: Grant
    Filed: June 18, 1990
    Date of Patent: October 6, 1992
    Inventor: Jeffrey L. Calvagno