Patents by Inventor William C. Hadsell

William C. Hadsell 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: 5378422
    Abstract: A molding mechanism and method of using that mechanism for simultaneously forming, by injection molding, two molded parts intended to be interference fit together and then, while the two molded parts are still within the molding mechanism, repositioning them and fitting them together. The sequenced interplay of the moving parts of the molding mechanism which accomplishes this process may be controlled by either a two-part or a single-part camming mechanism. The two molded parts may be an actuator-overcap and a spray nozzle insert.
    Type: Grant
    Filed: February 25, 1994
    Date of Patent: January 3, 1995
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: D. James Musiel, William C. Hadsell, Craig R. Oestreich