Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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 |
| 5230283 | Print hammer position control device A print hammer is moved toward a printwheel and impinges thereon to thus make a character impression on a sheet of paper supported on a platen. The print hammer is moved in accordance with rotations of a cam which in turn is rotated by a motor. An encoder... | 07/27/1993 |
| 4457637 | Squeeze printing mechanism A printer is fitted with a squeeze printing mechanism employing a toggle or over-the-center crank mechanism to provide direct pressure to a printing element for accurate impression depth control during imprinting and for achieving low velocity at the time... | 07/03/1984 |
