Patents by Inventor Walter J. Hasselman, Jr.

Walter J. Hasselman, Jr. 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 and apparatus for continuously producing and applying foam
    Patent number: 4103876
    Abstract: A method and apparatus particularly adapted for use in the continuous production of a foam material or the like.
    Type: Grant
    Filed: April 30, 1975
    Date of Patent: August 1, 1978
    Inventors: Walter J. Hasselman, Jr., Walter J. Hasselman, Sr.