Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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 |
| 5044581 | Gutter guard screen support clip A clip for supporting a guard screen on a rain gutter to keep leaves and other debris from entering the gutter, the clip extending from an outer to an inner wall of the gutter and having means for attaching the clip thereto, the screen being supported on ... | 09/03/1991 |
