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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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| Number | Title | Issue Date |
| 7222385 | Portable and removable windshield wiper A removable and portable manually operated windshield wiper assembly that attaches to the top side of a window or window frame of a boat, tractor, atv and the like not otherwise so equipped which can be easily operated by the simple rotation of a handle. ... | 05/29/2007 |
| 4838206 | Combination collar and muzzle humane training aid A combination collar and muzzle is used as a humane method of restraining, controlling, and achieving obedient behavior of animals, dogs in particular. A collar member or loop encircles the neck immediately behind the ears, and a second muzzle loop encirc... | 06/13/1989 |
| 4741288 | Combination collar and muzzle humane training aid A combination collar and muzzle is used as a humane method of restraining, controlling, and achieving obedient behavior of animals, dogs in particular. A collar member or loop encircles the neck immediately behind the ears, and a second muzzle loop encirc... | 05/03/1988 |
| 4621591 | Combination collar and muzzle humane training aid A combination collar and muzzle is used as a humane method of restraining, controlling, and achieving obedient behavior of animals, dogs in particular. A collar member or loop encircles the neck immediately behind the ears, and a second loop encircles the... | 11/11/1986 |
| 4337610 | Animal control halter An animal control or training halter is of generally conventional construction with the exception that the nose piece is made of a rigid, curved metal bar covered with hard rubber. In addition to the conventional chin strap of the halter, an auxiliary con... | 07/06/1982 |
| 3998033 | Cloverleaf bitless bridle A bitless bridle of the hackamore type which comprises the supporting headgear including a headstall, browband, throatlatch and centerpiece and also comprising a noseband and a chinband. The bitless bridle contains novel sidepieces having a cloverleaf con... | 12/21/1976 |
