...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7499154 | Readhead for optical inspection apparatus A readhead for illuminating a sample carrier and receiving light from the sample carrier, including a housing for receiving a sample carrier, an array of light sources mounted within the housing in a fixed position relative to the sample carrier, and including first... | 03/03/2009 |
| 6478476 | Part for positioning optical fiber The present invention relates to an optical fiber positioning member, such as a ferrule, used for optically coupling optical fibers to each other. The object of the present invention is to provide an optical fiber positioning member having practically suf... | 11/12/2002 |