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 |
| 4246523 | Brake timing control method and apparatus therefor Disclosed is a brake timing control method and apparatus for use with a press machine including a press slide driven through a crank shaft by a variable speed motor to stop the moving press slide at its top dead center regardless of the speed of rotation ... | 01/20/1981 |
| 4172563 | Shut-off unit in a drive unit for awnings and roller blinds A shut-off unit is disclosed. The shut-off unit is to be used to shut off a drive unit which drives a tubular shaft, the latter shaft being employed, in turn, to wind an awning or a roller blind up and down. More particularly, the drive unit includes an e... | 10/30/1979 |
