By a News Reporter-Staff News Editor at Journal of Engineering — From Alexandria, Virginia, VerticalNews journalists report that a patent by the inventor Schwartzenberger, Julius Westley (Northlake, IL), filed on March 9, 2011, was published online on September 16, 2014.
The patent’s assignee for patent number 8833628 is Illinois Tool Works Inc. (Glenview, IL).
News editors obtained the following quote from the background information supplied by the inventors: “The present invention relates generally to fastener driving tools, and more specifically to such tools configured for driving a variety of fasteners.(…)
via Illinois Tool Works : Patent Issued for Tool Free Interchangeable Fastener Guide | 4-Traders.