Patents by Inventor Paul L. Chapin

Paul L. Chapin 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).

  • Baby bottle
    Patent number: D310568
    Type: Grant
    Filed: May 8, 1989
    Date of Patent: September 11, 1990
    Inventor: Paul L. Chapin
  • Baby bottle
    Patent number: D318731
    Type: Grant
    Filed: May 16, 1989
    Date of Patent: July 30, 1991
    Assignee: Paul Leon Chapin
    Inventor: Paul L. Chapin
  • Baby bottle
    Patent number: D318921
    Type: Grant
    Filed: May 16, 1989
    Date of Patent: August 6, 1991
    Assignee: Paul Leon Chapin
    Inventor: Paul L. Chapin