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 |
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| D633912 | Human balance driven joystick | 03/08/2011 |
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| D503928 | Controller | 04/12/2005 |
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| 4536164 | Toy computer busy box assembly A toy computer "busy box" assembly wherein a toy assembly in the form of a simulated computer is provided with hand manipulated actuating members in a keyboard section connected to image producing members in a screen section through systems of gears and l... | 08/20/1985 |