...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 |
| 5859028 | Carotenoid synthesis inhibiting herbicides and fatty acid synthesis inhibiting oxime herbicides as anti-Apicomplexa protozoan parasite agents Protozoan parasites of the phylum Apicomplexa include some of the most important causative agents of human and animal diseases, in particular, malaria. The discovery that an organelle found inside parasites of this phylum probably stems from a plastid of ... | 01/12/1999 |