Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 6863478 | Device for connecting surgical clearing or drilling tool components A device for the coaxial connection of a surgical rotating tool to a shaft and the method of forming such a device. The device comprises a shaft defining a central axis and having a front end, a hollow body having a first end for engaging the front end of the shaft ... | 03/08/2005 |
| 5997225 | Rotary power tool with remotely actuated chuck A rotary power tool, such as a router, includes an actuating device engaged with a chuck device to move the chuck device between its gripping and release positions. The actuating device includes a lever member that extends axially relative to a casing of ... | 12/07/1999 |
| 4591172 | Power chuck In a power chuck including jaws moved by drivers which are displaceable in the axial direction of the chuck body by means of an axially displaceable actuating member mounted in the chuck body, the actuating member is coupled to the individual drivers thro... | 05/27/1986 |
