...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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 |
| 5678370 | Surface covering A surface covering formed by planar components includes a plurality of concentric rings with each ring formed by corner components having two pairs of parallel sides of different length. The shorter sides of the pairs of parallel sides meeting at an angle... | 10/21/1997 |