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 |
| 4552533 | Guided missile fire control simulators A sophisticated computer controlled trainer and simulator for weapons using separate background, target, and missile projectors with active interaction between them all. The control computer synchronizes the output of the plurality of projectors so as to ... | 11/12/1985 |