Patents by Inventor Richard C. Engel, Jr.

Richard C. Engel, 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).

  • Patent number: 4202464
    Abstract: A unitary nestable reclosable container is formed from a thin-walled clear flexible plastic or the like and includes a box-like base forming a receptacle for screws, bolts, etc. A lid is integrally joined to the base by a hinge and includes a peripheral groove having walls releasably engaging substantially planar side walls of the base for providing a sturdy closure. The peripheral groove further provides a wall which releasably locks with an upper portion of the base end wall providing a specially designed reversed taper spaced from a lower end wall portion by a restraining shelf. Each side juncture between the lid and base is substantially within a plane provided by the side wall while a label placed across such juncture forms a reliable seal.
    Type: Grant
    Filed: February 22, 1978
    Date of Patent: May 13, 1980
    Assignee: Placon Corporation
    Inventors: Thomas J. Mohs, Richard C. Engel, Jr.