Bizarre Patents
A new toilet tank assembly aquarium for housing aquatic creatures.
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 |
| 7059227 | Paper abutted ruler A paper abutted ruler is provided which can easily be moved on the surface of a surface plate and can simply and accurately be positioned in place. The paper abutted ruler is constructed such that magnet bases rotatably supported at their one ends to a bottom portio... | 06/13/2006 |
| 5428900 | Sheet scribing jig A jig which receives a sheet in a selected position to accurately scribe it in a straight line. The jig has front and rear panels which form a vertical slit between them in which the sheet is received. The bottom of the sheet sits on an elongated support ... | 07/04/1995 |
| 4734987 | Moving node wave isolator for drafting plotters A wave isolator (18) is provided for large format drafting plotters (10) for preventing waves in the drafting medium (16) from traveling up the platen (14) and adversely affecting the pen (20) and its operation and reducing acceleration related vertical s... | 04/05/1988 |
| 4570345 | Holding and marking fixture for flat sheets A holding fixture used to mark pieces of sheet material that includes a base and a pair of upraised support towers mounted upon the base. The towers each contain vertical slots for receiving a worksheet therein so that the sheet is supported in a vertical... | 02/18/1986 |
| 4553328 | Guided lifting apparatus Apparatus for lifting a cutter track guide or cloth alignment bar extending across the top surface of a cloth cutting table. On each side of the surface there is a section including a supporting frame in fixed relation to the surface, a lifting member nea... | 11/19/1985 |
| 4547968 | Desktop plotter instrument A plotter instrument for marking on a recording medium utilizes a rotatable pen carousel carrying a plurality of marking pen elements. A carriage drives the pen carousel into engagement with a cam track to produce rotation of the pen carousel and result i... | 10/22/1985 |
