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 |
| 6422394 | Continuous cleaning system for screening machines A continuous cleaning system to prevent clogging of screens in screening machines used to sort materials such as aggregates, such system comprising positioning a cleaning device such as a chain in line with the length of and on top of, a screen to be clea... | 07/23/2002 |
| 5301815 | Screening device and method The device according to the invention comprises a vibrating frame (10) to which a vibrating housing (11) is attached, supporting a vibrating screen (12). Below this screen are attached a certain number of fixed bars (14), as well as a certain number of mo... | 04/12/1994 |
| 4187171 | Sifting machine A sifting machine includes a screen; a plurality of spaced leaf springs supported below the screen and extending transversely to the length dimension of the screen; and a drive connected to the leaf springs for causing each leaf spring to periodically ben... | 02/05/1980 |
| 4121779 | Mechanical separator for plant material A mechanical separator having a container providing a chamber for receiving plant material, such as herb plants, spice plants and the like, a motor driven substantially flexible member being rotatably supported for substantially free form random thrashing... | 10/24/1978 |
