Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8117758 | Scribe tool A scribe tool includes a three-dimensional, polygonal block having two opposing ends with a plurality of planar, non-orthogonal surfaces formed therebetween. A bore extends from one of the ends to another and is offset from the block's central, longitudinal axis. Ea... | 02/21/2012 |
| 7392589 | Apparatus and method for scribing trim strips Apparatus and method for scribing a trim strip to fit between a cabinet and a nearby surface with a first edge of the trim strip facing one side of the cabinet and a second edge of the trim strip facing the surface in which a guide is run along the surface, a scribi... | 07/01/2008 |
| 7231720 | Inside/outside scribe The invention is an improved, hand-held, adjustable, graduated marking gauge and scribe for carpentry and related activities. It is used to mark work-pieces at a given distance from an adjacent edge or intersecting surface such as is encountered when fitting cabinet... | 06/19/2007 |
| 7114261 | Apparatus for shaping a tile to conform to a contour A scribing device is provided that includes an alignment track, a scribe arm and a coupling unit for coupling the scribe arm to the alignment track at a predetermined angle. The coupling unit is configured to travel along the alignment track in an X direction while ... | 10/03/2006 |
| 7056384 | Strip brush bowling lane dressing application mechanism A bowling lane conditioning machine has dressing application mechanism that includes an elongated, non-rotating strip brush which transfers dressing from a dispensing means to another surface, such as a bristle-type, lane-engaging applicator roll, a metal transfer r... | 06/06/2006 |
| 6907669 | Drawing compass A drawing compass with a structure of L shape and a method of using the same provide improved single-hand manipulation and handling of drawing an arc or circle. The drawing compass comprises a handle rotatably mounted on one end of an arm and a pivot pin holder slid... | 06/21/2005 |
| 6305090 | Tile tracing apparatus and method A tile marking apparatus for marking the contour of an object to be circumvented by a tile directly onto the tile including a base portion and a contour following rod is described. The contour following rod is so mounted to the base portion as to be later... | 10/23/2001 |
| 6044570 | Tile marking apparatus A tile marking apparatus including an elongated member and a guide for maintaining the elongated member in a predetermined disposition relative to the surface being traced onto a tile. The elongated member of the tile marking apparatus is configured to ac... | 04/04/2000 |
| 5933971 | Log sizing and marking device A log sizing and marking device including a base member having a slot extending through a rearward end wall and extending a length thereof. An adjustable bracket is secured to an upper surface of the base member. The adjustable bracket is adapted for coup... | 08/10/1999 |
| 5862601 | Tracing tool A tracing tool for marking an outline of an irregular surface onto a sheet of material so that the sheet of material can be cut along such outline to fit snugly against the irregular surface, such tool including a case having a cavity in communication wit... | 01/26/1999 |
| 4703564 | Apparatus for forming brick and block patterns on structural surfaces An under layer of a mortar material such as stucco is first applied to a structural surface such as a wall or floor. Over this under layer a second layer is applied generally of a different color than the first layer. A tool having a guide bar, an elongat... | 11/03/1987 |
| 4453849 | Protective shield for a felt tip pen A protective shield for a felt tip pen is provided for spacing the ink-laden felt nib of the pen from a ruling edge to prevent ink from contacting or bleeding under the ruling edge. The protective shield includes a relatively thin plate substantially over... | 06/12/1984 |
| 4308664 | Writing aid The invention relates to a spacing device for use with a ruler or other straightedge to aid handwriting of a neat and tidy appearance. The device comprises a resilient spacing member mounted on or in a writing implement and adapted to maintain under a fir... | 01/05/1982 |
| 4227307 | Apparatus for scribing wall panels Apparatus including jig means and associated scribing means for scribing a wall panel for insertion into a wall area bounded on one side thereof by an already mounted wall panel and on the other side by a wall corner. The jig means is preferably of overal... | 10/14/1980 |
| 4216588 | Marking pen holder A holder for a lens-marking pen attachable to the pen oppositely of its working end and having a rest in the form of a spring arm adapted to extend along a side of the pen to a bifurcated termination straddling the pen's marking tip and resiliently biasin... | 08/12/1980 |
| 4208799 | Inch gauge A siding gauge that enables one man to install prime board siding or other type where a one inch or predetermined measure overlap is required and the siding must be level; the gauge comprises a pair of J shaped members joined base to base, one inverted re... | 06/24/1980 |
