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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| Number | Title | Issue Date |
| 5126936 | Goal-directed financial asset management system A data processing apparatus and method controls and implements a goal-directed financial assets management system. The operative system receives investor deposits at selected levels of correspondence to established capital markets. A proportionality facto... | 06/30/1992 |