...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 |
| 5873763 | Cup on wheels A movable container which includes a body with a lower portion, a middle portion, and a top portion. The top portion includes a cup, and at least one wheel is rotatably mounted on the lower portion of the body. The wheel contacts a support surface and rot... | 02/23/1999 |