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 |
| 4036364 | Unitized palletless load and method of forming same In a palletless load unit which includes vertically stacked layers, each of which contains plural articles, the improvement comprising a strap member perimetrically disposed locally and compressively engaging outer articles in the lowermost layer to creat... | 07/19/1977 |