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...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 |
| 20050213719 | Charging method and charging apparatus A method of charging for use of a facsimile apparatus, using an information processing unit provided therein, is disclosed that includes the steps of (a) the information processing unit obtaining the amount of facsimile transmission; (b) the information processing unit ... | 09/29/2005 |
