Patents Assigned to Professional Business Management Associates
  • Patent number: 4606247
    Abstract: A versatile chained tool set having a plurality of tools consisting of any desired working tips such as an open-end wrench, a box-end wrench, a fractional or metric wrench, socket drives, spline drives, spanner wrenches, screwdrivers of all styles, or tools such as taps, easy outs, allen wrenches or other similar tools. Each tool is formed as part of a link and each link is joined to an adjacent tool link so that the various tools are chained together. When using one of the tools, the chain can be folded or collapsed to form a rigid and strong hand piece which can then be used to apply the torque or other force necessary to operate the tool.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: August 19, 1986
    Assignee: Professional Business Management Associates
    Inventor: Charles H. Graham