Patents by Inventor Carl J. Hubbell

Carl J. Hubbell 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: D344131
    Type: Grant
    Filed: January 13, 1992
    Date of Patent: February 8, 1994
    Inventor: Carl J. Hubbell