William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6968880 | Lady's interchangeable outer carrying bag An inner bag has a D-ring base element integral with a channel on a top edge of each geometrically shaped end wall. A front, back and base panel join the end walls together. Flaps are joined along a top edge of the front and back panel and the two flaps are held tog... | 11/29/2005 |