William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Application No. | Application Title | Issue Date |
| 20090295703 | LIQUID CRYSTAL DISPLAY PANEL AND DRIVING METHOD THEREOF A liquid crystal display panel includes a plurality of pixels and each of the pixels includes a first sub-pixel and a second sub-pixel. The first sub-pixel and the second sub-pixel individually load a source voltage according to a first gate pulse and a second gate puls... | 12/03/2009 |