Bizarre Patents
A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7367762 | Main spindle apparatus and tool holder clamp unit used therefor A main spindle apparatus has a main spindle having a through hole, a main spindle head rotatably supporting the main spindle therein, a tool holder clamp unit including an unit main body having a tool mounting hole to which a tool holder is mounted, a clamp mechanis... | 05/06/2008 |
| 5327979 | Coolant through spindle device A coolant through spindle device is disclosed, including a rotating joint member secured to the rear end of the spindle for conducting coolant into the spindle, the coolant being conducted through a separate coolant passage inside the spindle to the nozzl... | 07/12/1994 |
| 5307881 | Flushing system for a percussive, fluid-activated apparatus A debris flushing system for a percussive, fluid-activated apparatus includes a first and second separate and independent flushing system in the apparatus, each flushing system having a separate combination of passageways in the apparatus for fluid commun... | 05/03/1994 |
| 4854393 | Combination air hammer, water stream blaster and liquid mist dust suppressor An air hammer powered debris chisel headed tool having a water stream blaster outlet directing a high speed water stream forwardly closely adjacent and above the chisel head when valve controlled for use. Air misting outlets are also provided at the forwa... | 08/08/1989 |
| 4494613 | Method and apparatus for driving hollow piles into the ground A method and apparatus for driving a hollow pile into the ground. By using a hollow rod having a short auger fixedly secured to a leading end portion thereof, excavated earth and sand are lifted to and around the upper portion of the auger where compresse... | 01/22/1985 |
