Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7159772 | Apparatus and method for mounting an RF tag on a conveyor trolley A system for mounting an RF tag to a conveyor trolley wherein the tag is embedded in a block of material shaped to fit within an annular recess formed between the hub and outer rim of the trolley wheel. The shaped block is secured to the wheel. ... | 01/09/2007 |
| 6801335 | Method of controlling impact printer noise A method of controlling noise in an impact printer that modulates the input pulse to the power amplifier of the printer. The resulting current waveform is then applied to the print wire solenoids. The final shape of the force input to the platen reduces or spreads t... | 10/05/2004 |
| 5823691 | Method and apparatus for producing embossed images An embossing device, which can produce traditional braille cells and crisp, well-defined, raised images of graphical subjects is disclosed. Embossing of sheet material is accomplished using punches which have embossing faces shaped to mate with recessed a... | 10/20/1998 |
| 5222819 | Braille printer A braille printer that embosses braille characters line by line, in which embossing dies formed in the form of a line on which a plurality of projections or recesses for embossing braille characters, and debossing dies, on which a plurality of projections... | 06/29/1993 |
| 5072620 | Stamping tool A stamping tool for use in an auto-indexable tool station having a number of character inserts that can be rotatably moved below a striker area so that a thin metal plate or sheet of metal may be marked. The stamping tool allows for automatic adjustment o... | 12/17/1991 |
| 5070781 | Card embossing apparatus and method An embossing apparatus (22) includes an embossing wheel (28) having a punch side (30) and a die side (32). The embossing wheel (28) has punch blocks (50) and die blocks (52) spaced around its periphery. A card (20) is carried to an embossing position by c... | 12/10/1991 |
| 4461587 | Embossing machine having a movable carriage for character and like spacing Conveying apparatus for embossing machines for producing printing plates for address printing machines or for identification means made out of sheet metal or plastic material. The embossing machine conveying apparatus is capable of moving the printing pla... | 07/24/1984 |
| 4438692 | Printing apparatus with cooling of hammer printing coils A printing apparatus including a plurality of drive coils for driving printing hammers arranged longitudinally in side-by-side relation at one side of a core of the U-shape. A first cooling fluid passageway is defined inside the core of the U-shape to all... | 03/27/1984 |
| 4261663 | Machines for writing braille type Machines for writing braille type having two opposing rows of embossing units each with a support holding a punch-forming stamp guidable between an inactive position and a pushed-out embossing position with abutment against a die member disposed opposite ... | 04/14/1981 |
| 4246643 | Low cost postage applicator A low cost postage applicator includes postage printing wheels which can be manually set by thumbwheels accessible through an access opening in a housing. Encoders provide electrical signals representative of the position of each printing wheel. The housi... | 01/20/1981 |
| 4091910 | Method and apparatus for embossing cards and sheets An electronically controlled embossing machine for embossing alpha-numeric characters on flexible sheets such as, for example, plastic or metal credit cards or nameplates. Embossing is accomplished by two constantly rotating embossing wheels which carry r... | 05/30/1978 |
| 4088216 | Automatic embossing system Automatic card embossing apparatus includes a rotatable embossing wheel carrying about its periphery punch and die pairs for all characters available for embossing. Each character position of the wheel defines an address and the wheel is controlled for ro... | 05/09/1978 |
| 4071131 | Electronic control system An electronic control system for a marking machine having a moving marking member carrying a plurality of marking symbols in which the marking member is stopped and displaced to mark a workpiece with a selected one of the symbols at a marking location, th... | 01/31/1978 |
| 4050565 | Keyboard controlled electronic embossing machine An electronic embossing machine which utilizes a keyboard controlled die head, which die head bears embossing dies. Electronic means is provided which causes the die head to be rotated over the shortest distance to place the keyboard selected character in... | 09/27/1977 |
| 4031993 | Electronic embossing machine This invention relates to an electronic embossing machine of the type which has a keyboard controlled die head bearing embossing dies. The die head is rotatably displaceable for placement into the embossing position in accordance with which character is t... | 06/28/1977 |
| 3960257 | Apparatus for conveying and engraving tokens A token engraving apparatus comprising a turret movable through a path of travel between a blank token receiving station, an engraving station and an ejection station. Gravity causes blank tokens to fall from a plurality of tubular blank token holders int... | 06/01/1976 |
| 3945479 | Electric nameplate marker Marking dial in an electrically actuated nameplate marker is indexed by a ratchet gear means having two adjacent rows of gear teeth which are out of phase relative to each other. A solenoid-actuated detent plate is adapted to engage a gear tooth in one of... | 03/23/1976 |
