Patents by Inventor Michael Frangiosa

Michael Frangiosa 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).

  • Test tube rack
    Patent number: D250348
    Type: Grant
    Filed: March 3, 1977
    Date of Patent: November 21, 1978
    Assignee: American Hospital Supply Corporation
    Inventors: Michael Frangiosa, William McMichael