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 |
| 4143359 | Decoder circuit Binary coded signals present on N input lines are decoded by means of N differential current switches. Each current switch is connected to a different one of the input lines and produces a group of 2.sup.(N-1) outputs in-phase with its input and a group o... | 03/06/1979 |
