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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 |
| 20100065130 | TWO COMPONENT FOAM DISPENSING APPARATUS A foam dispensing assembly comprises a dispensing head and a manifold assembly. The manifold assembly includes a purge portion for supplying a gas and a cleansing fluid to the dispensing head, a first supply portion for supplying a first fluid to the dispensing head and... | 03/18/2010 |
