Patents by Inventor Marcus S. Lehman

Marcus S. 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).

  • Patent number: 5281076
    Abstract: An attachment is provided for a forklift. The attachment including a frame having a mechanism for attaching said frame to the forks of a forklift. A carriage assembly is provided including a carriage frame and drum engaging member. The carriage frame is connected to the main frame for pivotable movement about a horizontal axis of rotation. The drum engaging member is connected to the carriage frame for rotational movement about the axis of rotation. The drum engaging member includes first and second clamps mounted on the drum engaging member for movement relative to one another between open and closed positions.
    Type: Grant
    Filed: May 24, 1993
    Date of Patent: January 25, 1994
    Assignee: Liberty Diversified Industries
    Inventor: Marcus S. Lehman
  • Patent number: 5236298
    Abstract: An attachment for a fork lift is provided. The attachment includes two arcuate members which are pivotally connected. The arcuate members have gripping surfaces which approximate a radius of curvature of a cylindrical drum of known dimensions. The gripping members are pivoted together to pivot between open and closed positions. In the closed positions, the gripping surfaces assume the external surface of the drum.
    Type: Grant
    Filed: August 22, 1991
    Date of Patent: August 17, 1993
    Assignee: Valley Craft
    Inventor: Marcus S. Lehman
  • Patent number: 5207550
    Abstract: A drum handler is provided for manipulating drums of known dimensions. The handler includes a frame and carriage attached to the frame to move along a vertical line of travel. A lift drive is provided for moving the carriage along the line of travel. A drum engagement is carried on the carriage for movement therewith. The drum engagement member includes mechanism for gripping a drum. A rotary drive is provided for rotating the gripping member about a generally horizontal axis.
    Type: Grant
    Filed: October 7, 1992
    Date of Patent: May 4, 1993
    Assignee: Valley Craft
    Inventor: Marcus S. Lehman
  • Patent number: 4949853
    Abstract: A desktop organizer comprising a pair of side wall panels attached to a rear wall which extends approximately the length of the back edge of a desk. The desktop organizer may include one or more shelves extending the full length of the organizer, or a portion of that length terminating in an intermediate wall panel, with the remainder of the length having a set of stacked shelves or other various modules. The desktop organizer may be open topped, or a top cap may be added which also serves to support additional items.Each of the shelves includes a multiplicity of slots extending partially across the depth of the shelf generally perpendicular to the front and back edges thereof. The dividers may be inserted into the slots, each divider having one or more notches defined in the front edge of the divider which receives a portion of the shelf, the top of the divider being longer than the slot to prevent the divider from passing entirely through the slot.
    Type: Grant
    Filed: June 3, 1988
    Date of Patent: August 21, 1990
    Assignee: Liberty Diversified Industries
    Inventors: Harold S. Klein, Marcus S. Lehman, Mark A. Feucht
  • Patent number: 4795042
    Abstract: A mail sorting apparatus having a pair of opposing side panels, a top panel, a pair of opposing back panels, and a plurality of shelving members extending between the opposing side panels. The shelving members are supported by brackets having spaced apart shelf supporting tabs, the brackets being located along the opposing side panels and back panels. The shelving members are divided into compartments by a plurality of dividers, with the dividers being received within slots extending through the shelving members. The size of the compartments is adjustable by modifying the spacing of the shelving members and placement of the dividers.
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: January 3, 1989
    Assignee: Liberty Diversified Industries
    Inventors: Harold S. Klein, Marcus S. Lehman
  • Patent number: 4770383
    Abstract: An open top support base for articles such as steel flat files, desk tops, and the like. The open top support base comprises a pair of opposing side panels, a back panel and a bottom shelf panel each extending between the side panels, a pair of leg weldments extending along the bottom edge and parallel with each side panel, and a pair of support braces attached to the top edge of each side panel and extending parallel thereto. The article may thus be rested upon or secured to the open top support base to elevate the article from the floor, or to provide a work surface or suitable height for a person to work while seated.
    Type: Grant
    Filed: July 23, 1987
    Date of Patent: September 13, 1988
    Assignee: Liberty Diversified Industries
    Inventors: Marcus S. Lehman, Carl J. Schoberg
  • Patent number: 4756429
    Abstract: A data carousel stand for accessible storage of data-holding materials is disclosed, having a base, a hollow vertical central hub for adjustably supporting a hollow vertical newel. One or more data carousels is rotatively mounted on the newel, each carousel comprising a plurality of radial arms in vertically adjustable offset stacked array. Each arm has a slidable upwardly extending bracket on each side which cooperate to hold data-containing materials therebetween.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: July 12, 1988
    Assignee: Liberty Diversified Industries
    Inventors: Marcus S. Lehman, Carl J. Schoberg, Daniel C. Johnson