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| Number | Title | Issue Date |
| 5638877 | Stake sharpening apparatus Apparatus for fashioning a pointed end on a stake includes a base on which is mounted a rotatably driven slotted circular disk having secured to one side thereof a plurality of cutting blades co-disposed in a radially outward arrangement within a cutting ... | 06/17/1997 |
| 5109896 | Machine for sharpening wooden stake A wooden stake having a sharpened end with bevelled faces and having a striking end with bevelled faces is made on a novel machine by a novel method. Each bevelled face intersects a substantially planar face of the wooden stake and conforms substantially ... | 05/05/1992 |
