Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 5452613 | Wide range vacuum gauge A device for determining a pressure of gas in an evacuated chamber including a cylinder positioned in fluid communication with the evacuated chamber with the cylinder forming a compressed gas chamber, a reciprocating piston received within the cylinder an... | 09/26/1995 |
| 4218927 | Pressure gauge McLeod gauge has controllable fluid communication between the top of the closed end capillary and the top of the comparison capillary to enable easy degassing of the closed end capillary, thereby enabling optional use of low density non-volatile pressure ... | 08/26/1980 |
