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 |
| 5857220 | Strap logo A strap logo for a user to apply to the strap of a bag, cap, to shoestrings, or other articles having a linearly extended member comprises a logo face rotably attached to arms which encircle the strap and are, in turn, attached to each other by complement... | 01/12/1999 |