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| Number | Title | Issue Date |
| 7163362 | Hole saw assembly A hole saw assembly including a boss adapted to hold a hole saw and having a plurality of connecting shafts. The shafts rotationally engage a driving means and longitudinally engage a locking member that locks the boss, driving means and the locking member together.... | 01/16/2007 |
| 6550120 | Threaded conversion kit for replacement ball joints An aftermarket retrofit kit is used to prepare control arm bosses of automotive suspension systems to receive new, replacement ball joints. The kit includes a special cutting tool for forming obtuse threads in the apertures of aluminum suspension system m... | 04/22/2003 |
| 6206616 | Tool and method for cutting a circular opening and retaining the cut portion A tool and method for cutting a circular opening and retaining the cut portion. The tool comprises a shaft having at least one cutting thread and at least one tapping thread, or at least one cutting thread and at least one male screw thread, or only at le... | 03/27/2001 |
| 5676545 | Method and apparatus for implantation The invention is a method and apparatus for embedding an implant of a special design in bone tissue in a way that encourages bone tissue growth in and around the implant thereby achieving greater attachment security over longer periods of time. The user e... | 10/14/1997 |
| 5433121 | Center core extracting drill bit A core extracting drill bit is provided including an elongated hollow body including a forward cutting end and a second rearward rotary torque input end. The body defines a central chamber therein opening forwardly outwardly through the forward cutting en... | 07/18/1995 |
| 5433560 | Apparatus for drilling holes in a workpiece A hole cutting apparatus for use with a conventional drill and chuck. The apparatus features a self feed pilot bit and quick change drill bits which store on the apparatus. Hollow drill bits are provided which fit over a pilot bit and are fastened to the ... | 07/18/1995 |
| 4827776 | Hay sampling device A device for obtaining a sample from a volume of hay. The device is provided with a hollow tube member having an intake end and a discharge end. The interior diameter of the hollow tube is at a minimum at the intake end. The intake end is also provided wi... | 05/09/1989 |
