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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| D487561 | Bag support member | 03/16/2004 |
| 6701794 | System for retrieving a gas phase sample from a gas stream containing entrained liquid, and sample conditioner assembly therefore A system for the retrieval and initial conditioning of sample gas for "on line" analyzers or filling of gas sample cylinders. The preferred embodiment of the present invention contemplates a system configured to obtain a representative gas phase sample fr... | 03/09/2004 |
| 6357304 | System for retrieving a gas phase sample from a gas stream containing entrained liquid, and sample conditioner assembly therefore A system for the retrieval and initial conditioning of sample gas for "on line" analyzers or filling of gas sample cylinders. The preferred embodiment of the present invention contemplates a system configured to obtain a representative gas phase sample fr... | 03/19/2002 |
| 5819855 | Enhanced minimum tillage planter/renovator system A minimum tillage planting system configured to facilitate a wider, enhanced seedbed in a variety of soil conditions, while maintaining nominal surface disturbance. The present invention may further be configured to provide intercrop planting, renovating,... | 10/13/1998 |
