Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
PatentStorm News
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 |
| 7214185 | Surgical access device A surgical device for use in minimally invasive surgery in which body cavity is accessed by a surgeon though an access port defined by the device, the device including a body cavity engagement feature for insertion into the incision to locate the device in position,... | 05/08/2007 |
