Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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 |
| 4738574 | Router jig apparatus Router jig apparatus includes a base portion, a router positioning portion, a workpiece orbiting portion and a workpiece positioning portion. The base portion includes a quadrangular frame section disposed generally horizontally and a supporting stand ext... | 04/19/1988 |
| 4064920 | Tenon cutting machine with cutting head A cutting machine to form a tenon at each end of a piece of timber, which tenon has opposite faces which are inclined both longitudinally and transversely relative to the piece of timber and forming hereinafter called skew tenon faces. This tenon cutting ... | 12/27/1977 |
