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 |
| 6786303 | Method for increasing golf course revenues A method for increasing golf course revenues through increased sales of consumable items, comprising the steps of stocking a golf cart with a supply of consumable items prior to a golfer's use of said golf cart in a golf outing, taking inventory of said supply of co... | 09/07/2004 |