...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Application No. | Application Title | Issue Date |
| 20090082717 | Dermal micro-organs, methods and apparatuses for producing and using the same Embodiments of the present invention provide Dermal Micro-organs (DMOs), methods and apparatuses for producing the same. Some embodiments of the invention provide a DMO including a plurality of dermal components, which substantially retain the micro-architecture and thr... | 03/26/2009 |