Patents by Inventor Michael D. Spring

Michael D. Spring 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).

  • Bottle
    Patent number: D432919
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: October 31, 2000
    Assignee: Beverage Canners International Corp.
    Inventor: Michael D. Spring