Patents by Inventor William C. Shook

William C. Shook 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).

  • Envelope assembly
    Patent number: 4010889
    Abstract: A sealed envelope is pre-stuffed with at least one insert sheet which is positively held in place against any shifting movements relative to the envelope by retention elements attached only to the envelope and in abutting engagement with marginal edges of the insert sheets.
    Type: Grant
    Filed: October 9, 1975
    Date of Patent: March 8, 1977
    Assignee: Moore Business Forms, Inc.
    Inventors: Robert H. Allen, Edmund G. Van Malderghem, Victor J. Robertson, William C. Shook