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 |
| 4632273 | Disposable insulated container A disposable insulated container and drinking cup combination wherein the insulated container is manufactured from plastic foam material and has a lid applied thereto. At least one inverted drinking cup mounted upon the top of the container with the cup, ... | 12/30/1986 |