Patents by Inventor Stephen E. Devine

Stephen E. Devine 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).

  • Method of inserting an insert in an opening of a plastic part
    Patent number: 5271785
    Abstract: The method for inserting a screw or insert having a barbed or other irregular surface or barbed type insert includes the steps of providing a tool having an ultrasonic horn and a cavity for an insert; filling the cavity with plastic filler material and positioning the insert against the center of the filler material; thereafter, activating the horn to vibrate the insert to soften and penetrate the insert into the opening.
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: December 21, 1993
    Assignee: Davidson Textron Inc.
    Inventor: Stephen E. Devine