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 |
| 6659104 | Cervical spine restraint and spine board equipped with same A spine board is equipped with a cervical spine restraint comprising a lower pad, which is adapted to overlie a portion of the spine board and which has a central portion and two lateral portions, and further comprising two lateral pads, each of which is ... | 12/09/2003 |
