...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 |
| 7146985 | Method and apparatus for a curling iron shield An apparatus and method for a curling iron shield 12. The curling iron shield 10 is comprised of a planar shield formed from a pliable material having a body 12 with a straight edge 16 and a built-in handle 14. The curling iron shi... | 12/12/2006 |