Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 6142910 | Method and therapy software system for preventing computer operator injuries A method and therapy software system for preventing computer operator injuries combines a computer with a software system and prevents or rehabilitates computer operator injuries resulting from the prolonged use of a computer keyboard or mouse associated ... | 11/07/2000 |
| 5868647 | Apparatus and method for reducing repetitive strain injuries An apparatus and method for reducing, preventing, lessening and treating the incidence and severity of Repetitive Strain Injuries ("RSI") comprising a combination of computer software and hardware that provides a "prompt" and system whereby the computer o... | 02/09/1999 |
| 5792025 | Method and apparatus for reducing repetitive motion injury risk to typist and pointer-device operators A system to reducing repetitive motion injury (RMI) risks comprises a wrist-resting device having one or both of a heater and a vibrator in the device. In preferred embodiments edges of a support pad for the device are rounded significantly to avoid the p... | 08/11/1998 |
| 5214429 | Computer method utilizing keyboard adapter An adapter device for use with a data-input-type keyboard comprises a housing defining a chamber receiving the keyboard. An upper housing panel is provided with a first opening at least coextensive with all keys on said keyboard. A plate is hingedly secur... | 05/25/1993 |
| 5096317 | Computer key cover apparatus A cover apparatus including a transparent housing overlying a computer keyboard, wherein the cover apparatus includes a plurality of forward and rear side walls defining rows of openings, wherein each row of openings is arranged overlying rows of computer... | 03/17/1992 |
| 5047952 | Communication system for deaf, deaf-blind, or non-vocal individuals using instrumented glove A communication system for deaf, deaf-blind, or non-vocal individuals includes an instrumented glove for obtaining electrical signals indicative of a hand configuration of a first individual. Strain gage sensors in the glove flex with movement of the hand... | 09/10/1991 |
| 4414537 | Digital data entry glove interface device A man-machine interface is disclosed for translating discrete hand positions into electrical signals representing alpha-numeric characters. The interface comprises a glove having sensors positioned with respect to the hand for detecting the flex of finger... | 11/08/1983 |
| 4398086 | Game-calculator having sliding mask A game-calculator having a single housing for a handheld calculator and an electronic game each sharing the same display, with a sliding mask to alternatively cover in a first or second position either the calculator keyboard input keys, or both the game ... | 08/09/1983 |
| 4119839 | Keyboard mask for general-purpose calculator In order to adapt a general-purpose calculator to specific tasks, the keyboard of that calculator is covered by a mask including a resilient membrane overlain by a rigid panel having cutouts registering with keys whose function is to be preserved. The cut... | 10/10/1978 |
| 4055905 | Teaching typewriter A system for facilitating the learning of typing by permitting only the proper finger to operate each key. The operator wears a pair of gloves having each finger wired separately to a group of electromechanical devices each for enabling or inhibiting depr... | 11/01/1977 |
