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 |
| 6964372 | Conference-table-based wired information system A table-based wired information system includes a table having a plurality of actual positions designed to receive people and a monitor positioned so as to be observed by people at any of the plurality of actual positions. A flat ribbon cable with a plurality of ele... | 11/15/2005 |
| 6951303 | Combination electronic and paper ballot voting system A Combination Electronic and Paper Ballot Voting System with electronic vote capture capability for automatically recording, tallying, and storing votes. Election headquarters computer software (50) combines voter data from precinct computers (71) and ... | 10/04/2005 |
| 5995941 | Data correlation and analysis tool A system for capturing a video image of the scene and for correlating data relative to the scene is disclosed. The system comprises a collection device which uses as inputs environmental stimuli and video and audio stimuli which correlates the various dat... | 11/30/1999 |
| 5444437 | Signaling device An apparatus for generating a signal for indicating consent between two parties, comprises a generally box-like housing having a cavity, an indicator light on an exterior portion of the housing, a source of electrical power including a battery in the hous... | 08/22/1995 |
| 5206486 | Data recorder and stylus therefor A data recorder includes a unitary housing such as comprised of a molded plastic having an open upper portion, a removable lower cover, and a data card receiving arrangement at one end thereof. The data card receiving arrangement includes a narrow slot of... | 04/27/1993 |
| 4445731 | Portable voting booth A portable self-contained voting booth has improved features of compactness, lightness of weight, leg-holding stability, durability and convenience in use. Its carrying case includes interior corner members that both provide leg sockets for receiving legs... | 05/01/1984 |
| 4084081 | Portable survey system A portable survey system housed in a suitcase-like assembly, the cover of which supports an electronic display panel having a number of individually energizable display elements. A number of responder units, each connected with the display assembly to con... | 04/11/1978 |
| 4029943 | Method and apparatus for opinion surveys Beginning with data cards which carry thereon a question or a statement to be a subject of a survey, such cards being pre-punched with appropriate indicia signifying the question being asked or the position being tested, the interviewer submits such posit... | 06/14/1977 |
| 4023729 | Group communications system A system is provided for facilitating free communication of group attitudes and responses through a series of group decisional processes based on voting. In the preferred form, a vote selector unit, such as a keyboard provides each voting entity within th... | 05/17/1977 |
| 3952425 | Response analyzer A response analyzer simultaneously receives multi-frequency signals transmitted from a plurality of answering devices and forms time divided pulses, which are counted to provide an indication of the number of answering devices which made responses. A plur... | 04/27/1976 |
| 3947669 | Voting machine An electrical voting machine is disclosed which uses digital circuits to allow each of a number of voters to (1) select one of a number of alternative answers to a question and (2) express a selected degree of confidence in the selected answer, and then c... | 03/30/1976 |
