Patents by Inventor John P. Oltman

John P. Oltman 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).

  • Molded tool tray assembly
    Patent number: 4714158
    Abstract: A tool tray assembly for use in a tool chest is disclosed. The assembly includes a tray member, a rotatable, lockable handle attached to the tray member, and a storage box adapted to rest in the tray member.
    Type: Grant
    Filed: September 24, 1986
    Date of Patent: December 22, 1987
    Assignee: Waterloo Industries, Inc.
    Inventors: John P. Oltman, Donald N. Sulentic, Richard D. Purchase
  • Storehouse construction
    Patent number: 4570392
    Abstract: A knock down storage shed includes a back wall, front door panels and connected side walls forming an enclosure. Gambrel gable extensions on top of each of the side walls cooperate with a roof ridge cap and attached roof panels to define a roof. The lower pitch panels of the roof are hinged to the upper roof panels. An internal shelf is provided extending between the back wall and the side walls to the midline of the shed where it connects with a downwardly extending wall that depends from the roof ridge cap.
    Type: Grant
    Filed: November 23, 1984
    Date of Patent: February 18, 1986
    Assignee: Waterloo Industries, Inc.
    Inventors: John P. Oltman, Steven J. Kreger, Richard D. Purchase
  • Workbench
    Patent number: 4239195
    Abstract: An improved workbench includes collapsible legs, tool holders attachable to the legs, extensible auxiliary support legs, a generally planar bench top with a removable section for power tools and a pair of adjustable vises cooperative with the planar top. The adjustable vises include a mechanism for gross and fine adjustment and additionally include gripping jaws that are pivotal.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: December 16, 1980
    Assignee: Waterloo Industries, Inc.
    Inventors: John P. Oltman, Emerson V. Purkapile
  • Lid for tool chest
    Patent number: D350646
    Type: Grant
    Filed: April 8, 1993
    Date of Patent: September 20, 1994
    Assignee: Rubbermaid Incorporated
    Inventors: Frank Bescher, Steven Kohagen, Wade A. F. Maple, John P. Oltman, David A. Trower, Douglas F. Wolff