Patents by Inventor Richard L. Ropiequet

Richard L. Ropiequet 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: 3961000
    Abstract: The invention relates to a method for producing loose-fill packing material in the form of hollow, substantially hemispherical bodies made from an extrudable, expandable synthetic plastic composition.
    Type: Grant
    Filed: June 7, 1974
    Date of Patent: June 1, 1976
    Assignee: Altainer Incorporated
    Inventor: Richard L. Ropiequet