File:Patent 6281.jpg
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Patent_6281.jpg (622 × 536 pixels, file size: 35 KB, MIME type: image/jpeg)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:35, 10 July 2009 | No thumbnail | 622 × 536 (35 KB) | Doug Coldwell | {{Information |Description={{en|1=Saety pin, patent 6281}} |Source=http://www.google.com/patents/about?id=4vBEAAAAEBAJ&dq=Walter+Hunt |Author=U.S. Patent Office - inventor Walter Hunt |Date=April 10, 1849 |Permission= |other_versions= }} [[Category:Inven |
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