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.
| Application No. | Application Title | Issue Date |
| 20090050184 | DISH WASHER Disclosed is a dish washer comprising: a tub forming a space for washing dishes; a base mounted at a lower portion of the tub; a base spacer mounted at a front side of the base; and a noise reduction member mounted between the base and the base spacer, wherein the noise... | 02/26/2009 |