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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 |
| 20120104747 | COMPLIANT SEALING JOINT A bellows for transporting exhaust from an engine to a nozzle has a section that is axially moveable and bendable about an axis extending therethrough, a first joint for attaching the section to the engine wherein the section is movable radially relative to the axis, an... | 05/03/2012 |
| 20050006895 | Pipe joint This pipe joint comprises a hollow cylindrical joint body made of elastic material such as heat-resistant rubber with a prescribed length, and a circular flange for connecting piping attached to the both sides of the joint body, on the side of the inner circumference of... | 01/13/2005 |
