Did You Know...
...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 |
| 20110019165 | Cover and Electronic Apparatus The invention discloses a cover and an electronic apparatus with the cover. The cover is used for covering an opening of a casing of the electronic apparatus. The cover of the invention includes a covering body and a catching structure. Therein the covering body has an ... | 01/27/2011 |
