Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7228631 | Contouring shave The invention is directed to a hand tool for cutting shavings from the surface of a workpiece of wood (or other workable material) to shape and make smooth any three-dimensional surface having concave, flat, and/or convex contours. The thickness of the shavings is m... | 06/12/2007 |
| 6539824 | Welding chip hammer with replacement point A chipping hammer for removing oxidation and slag from a welding bead, usually an arc welding bead, wherein the hammer includes a long lasting narrow replaceable chipping point economically formed by a hardened nail. Easily operated attachment means remov... | 04/01/2003 |
| 6267162 | Mortising tool A mortising tool designed to remove a specific quantity of material from a wooden object, such as a door or door jamb, to allow flush mounting of door hinge plates. The tool is comprised of a mortise forming member, a cutting device attached to the lower ... | 07/31/2001 |
| 5511312 | Hinge mortise cutter tool A hinge mortise cutter apparatus is adapted for cutting a hinge mortise into an edge of a door and includes a mortise outline cutter assembly which is placed on the edge of the door for cutting the mortise outline in the edge of the door. After the mortis... | 04/30/1996 |
| 5375332 | Hammer driven double cut shear device A hammer driven double cut shear device (10) for punching and cutting sheet metal in a precision fashion; wherein the device (10) includes a handle unit (11) having a punching blade (33) projecting outwardly from one side of the handle unit (11) a cutting... | 12/27/1994 |
