Patents by Inventor Robert V. Lehman

Robert V. Lehman 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).

  • Box and lid construction
    Patent number: 4342403
    Abstract: An improved container and lid construction includes a rectangular box of molded plastic with one pair of opposed sides of the box having a shaped lip member that cooperates with a compatible shaped flange member of the lid. The lid is fabricated from an extruded plastic material and designed to snap on the top of the box in an automatic filling operation. The lid may then be slidably removed from the box.
    Type: Grant
    Filed: March 12, 1981
    Date of Patent: August 3, 1982
    Assignee: Keystone Consolidated Industries, Inc.
    Inventors: Deane L. Badtke, Robert V. Lehman