"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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 |
| 6352228 | Tripod head A tripod head (1) has a universal joint, which has a ball joint (3) which is swivelably and rotatably mounted in a bearing housing (2). The universal joint is arranged between connection points (4, 5) situated on oppositely facing ends of tripod head (1),... | 03/05/2002 |