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 |
| 6226845 | Buckle clip The present invention relates to a buckle clip for receiving and for removably retaining a fastener such as a button having a shank for a garment such as the type used on suspenders, overall straps, jeans and other garments and structures in need of suppo... | 05/08/2001 |
| 5621953 | Overall buckle An overall buckle in which the swingable flap has a detent locking the flap in its closed position so that inadvertent opening is prevented. The teeth of the flap cooperate with counterteeth on the frame so that transversely, the strap has an undulating p... | 04/22/1997 |
| 5040273 | Shoulder strap button adjustment means A button adjustment apparatus for the straps of a child's garment. The apparatus includes a base member having three transverse slots and a button fixedly attached between two of the slots. The garment straps are threaded through the slots so that the but... | 08/20/1991 |