...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Application No. | Application Title | Issue Date |
| 20080039962 | Firearm system for data acquisition and control A microprocessor circuit that is used to monitor and control a firearm. The microprocessor circuit accomplishes this by monitoring various sensor & control inputs, and acting on these inputs to execute user defined functions. The microprocessor circuit can use the senso... | 02/14/2008 |
| 20050052412 | Hand manipulated data apparatus for computers and video games A computer or video game device for generating hand manipulated data. The device consists of one or more sensors that are mounted on the human hand. The sensors are conveniently located for easy access and manipulation by opposing fingers on the same hand that the senso... | 03/10/2005 |