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| Number | Title | Issue Date |
| 7841261 | Reinforced impact socket The present invention is a lightweight impact socket having an aluminum or other light metal blank having a fastener end and a drive end. A high strength, heat-treated steel alloy insert is inserted into the fastener end of the blank and glued in place to yield a hi... | 11/30/2010 |
| 7788994 | Wrench A symmetrical open-end wrench having rear side corners adjacent open ends of the throat of the wrench and opposing jaws defining an opening for receiving a fastener, the jaws having parallel planar section, and continuously diverging surfaces with fastener-engaging ... | 09/07/2010 |
| 7484440 | Asymmetric wrench and fastener system An asymmetrical wrench and fastener system comprising radially extending splines having opposing surfaces whose inner ends are inclined by different amounts with respect to a radius intersecting the respective inner ends to alter the torque between the tightening an... | 02/03/2009 |
| 7340982 | Wrench Open-end symmetrical wrenches retain fasteners fully seated in the jaws of the wrench. The jaws have fastener-engaging surfaces with substantially planar and parallel sections that extend past the front side corners of the fastener when it is fully seated in the wre... | 03/11/2008 |
| 7174811 | Asymmetric wrench and fastener system An asymmetrical wrench and fastener system comprising radially extending splines having opposing surfaces whose inner ends are inclined by different amounts with respect to a radius intersecting the respective inner ends to alter the torque between the tightening an... | 02/13/2007 |
| 6907805 | Wrench Open-end symmetrical wrenches retain fasteners fully seated in the jaws of the wrench. The jaws have fastener-engaging surfaces with substantially planar and parallel sections that extend past the front side corners of the fastener when it is fully seated in the wre... | 06/21/2005 |
| 6904833 | Asymmetric wrench and fastener system An asymmetrical wrench and fastener system comprising radially extending splines having opposing surfaces whose inner ends are inclined by different amounts with respect to a radius intersecting the respective inner ends to alter the torque between the tightening an... | 06/14/2005 |
| 6725746 | High torque wrenching system A high torque wrenching system having a wrench with asymmetrical torque transmission capability. The wrench includes a plurality of protuberances and a plurality of recesses around a central axis. The fastener also includes a plurality of protuberances and recesses ... | 04/27/2004 |
| 6698316 | Asymmetrical fastening system Disclosed is an asymmetrical fastening system comprising (1) a fastener having asymmetrical loosening surfaces and tightening surfaces formed in a single fastening periphery, and (2) a wrench comprising asymmetrical loosening surfaces and tightening surfa... | 03/02/2004 |
| 6698315 | High torque wrenching system A high torque wrenching system is provided having a wrench with asymmetrical torque transmission capability. The wrench includes a plurality of protuberances and a plurality of recesses around a central axis. The fastener also includes a plurality of prot... | 03/02/2004 |
| 5904077 | Double-ended flex handle wrench A double-ended flex-handle wrench having a pivotable tool head at each end thereof, the tool head having a locking-type retaining device for locking a gripping member to the tool head.... | 05/18/1999 |
| 5284073 | Socket wrench opening A wrench for turning a fastener nut having a central axis and an even-numbered plurality of flat bounding surfaces parallel to the fastener access wherein diametrically opposite pairs of surfaces are parallel to each other and the bounding surfaces inters... | 02/08/1994 |
| 5082125 | Partitioning device A display shelf for use in an article display unit having a bottom surface, side surfaces, a pair of support members disposed along the side surfaces and at least one partition for partitioning the display shelf into a plurality of compartments, each part... | 01/21/1992 |
| 5012706 | Socket wrench opening A wrench for turning a fastener nut having a central axis and an even-numbered plurality of flat bounding surfaces parallel to the central axis with diametrically opposite pairs being parallel to each other. The wrench includes a fastener nut engaging soc... | 05/07/1991 |
| 4882957 | Socket wrench opening A wrench for turning a fastener nut having a central axis and an even-numbered plurality of flat bounding surfaces parallel to the central axis with diametrically opposite pairs being parallel to each other. The wrench includes a fastener nut engaging soc... | 11/28/1989 |
