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Patent Known References
| Type | Patent Country | Patent Number |
|---|---|---|
| Patent | DE | 19545612 |
| Patent | DE | 4409833 |
| Patent | US | 20060122602 |
| Patent | US | 20060122603 |
| Patent | US | 20060122604 |
| Patent | US | 2017247 |
| Patent | US | 2376089 |
| Patent | US | 2782827 |
| Patent | US | 3062253 |
| Patent | US | 3350103 |
| Patent | US | 3561075 |
| Patent | US | 3863959 |
| Patent | US | 3896867 |
| Patent | US | 3901298 |
| Patent | US | 4017946 |
| Patent | US | 4074501 |
| Patent | US | 4197886 |
| Patent | US | 4280742 |
| Patent | US | 4288902 |
| Patent | US | 4380413 |
| Patent | US | 4484570 |
| Patent | US | 4488543 |
| Patent | US | 4640524 |
| Patent | US | 4662461 |
| Patent | US | 4696290 |
| Patent | US | 4712959 |
| Patent | US | 4757661 |
| Patent | US | 5054347 |
| Patent | US | 5118235 |
| Patent | US | 5129292 |
| Patent | US | 5169597 |
| Patent | US | 5176678 |
| Patent | US | 5234430 |
| Patent | US | 5261910 |
| Patent | US | 5275601 |
| Patent | US | 5330473 |
| Patent | US | 5344421 |
| Patent | US | 5364399 |
| Patent | US | 5372660 |
| Patent | US | 5423826 |
| Patent | US | 5454811 |
| Patent | US | 5486176 |
| Patent | US | 5488263 |
| Patent | US | 5498263 |
| Patent | US | 5509933 |
| Patent | US | 5520690 |
| Patent | US | 5531554 |
| Patent | US | 5534032 |
| Patent | US | 5549608 |
| Patent | US | 5549612 |
| Patent | US | 5554157 |
| Patent | US | 5569251 |
| Patent | US | 5578034 |
| Patent | US | 5584834 |
| Patent | US | 5601552 |
| Patent | US | 5601553 |
| Patent | US | 5607426 |
| Patent | US | 5643265 |
| Patent | US | 5647873 |
| Patent | US | 5662652 |
| Patent | US | 5667506 |
| Patent | US | 5669911 |
| Patent | US | 5672175 |
| Patent | US | 5676666 |
| Patent | US | 5690630 |
| Patent | US | 5713900 |
| Patent | US | 5725528 |
| Patent | US | 5725588 |
| Patent | US | 5733285 |
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| Patent | US | 5735851 |
| Patent | US | 5735853 |
| Patent | US | 5776135 |
| Patent | US | 5785711 |
| Patent | US | 5797911 |
| Patent | US | 5800435 |
| Patent | US | 5807396 |
| Patent | US | 5810819 |
| Patent | US | 5817094 |
| Patent | US | 5843082 |
| Patent | US | 5876402 |
| Patent | US | 5879350 |
| Patent | US | 5879389 |
| Patent | US | 5885286 |
| Patent | US | 5891145 |
| Patent | US | 5899901 |
| Patent | US | 5904683 |
| Patent | US | 591798 |
| Patent | US | 5928243 |
| Patent | US | 5931838 |
| Patent | US | 5935133 |
| Patent | US | 5951558 |
| Patent | US | 5954725 |
| Patent | US | 5961518 |
| Patent | US | 5964760 |
| Patent | US | 5964769 |
| Patent | US | 5976136 |
| Patent | US | 5989250 |
| Patent | US | 5997539 |
| Patent | US | 6010503 |
| Patent | US | 6017344 |
| Patent | US | 6017345 |
| Patent | US | 6022350 |
| Patent | US | 6030389 |
| Patent | US | 6045579 |
| Patent | US | 6053921 |
| Patent | US | 6117173 |
| Patent | US | 6139550 |
| Patent | US | 6193721 |
| Patent | US | 6206881 |
| Patent | US | 6258089 |
| Patent | US | 6261291 |
| Patent | US | 6302883 |
| Patent | US | 6398783 |
| Patent | US | 6620163 |
| Patent | WO | 1998017188 |
| Patent | WO | 1998048739 |
| Patent | WO | 1999000904 |
| Patent | WO | 1999009904 |
| Patent | WO | 2000078238 |
| Patent | WO | 2006055156 |
