...In 1790, the cost to obtain a patent was between $4 and $5.
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 |
| 6386232 | Fluid distributor valve A fluid distributor valve including a chamber formed by a body and bonnet and having an intermediary plate through which a central shaft extends, a rotor being fitted around said central shaft and being submitted to the action of the fluid flowing into sa... | 05/14/2002 |
| 6152571 | Adjustable lamp The invention relates to an adjustable lamp which can be fitted into a wall such as the, wall of a swimming pool or other water tank the bulb of the lamp can be positioned so that it is parallel to the horizontal, or have with a downward slant, typically ... | 11/28/2000 |