Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 6338474 | Air feeder provided with by-pass bypassing cooling section, substrate processing apparatus including the same, and air supply method In an air feeder for supplying air with a predetermined temperature and humidity into a cup in a resist coating unit provided in a coating and developing system, a cooling section, a by-pass, a heating section, a humidifying section, and a blower are prov... | 01/15/2002 |
| 6223545 | Heating and cooling unit An apparatus for maintaining an enclosed space proximate a selected comfort level, and for conserving utilities, the apparatus comprising a housing in communicating relation with the enclosed space and the external environment and having an evaporative co... | 05/01/2001 |
| 6131653 | Method and apparatus for dehumidifying and conditioning air An air dehumidifying and conditioning system (20) draws incoming air (32) through a fan (40) and uses heat from the fan (40) and fan motor (48) to heat air discharged from the fan. The system then divides air discharged from the fan into a supply stream (... | 10/17/2000 |
| 5901565 | Slanted heat exchanger-encased fan-dehumidifier A room dehumidifier includes a closed refrigerant cycle apparatus with an evaporator coil inclined at 20 from vertical on an air inlet side of the dehumidifier, which also includes openings in the cabinetry to allow a substantial portion of inlet air to b... | 05/11/1999 |
| 4750545 | Humidity and temperature control system An integrated precision humidity and temperature control system of research laboratory quality is disclosed in which air flow, water spray and refrigeration apparatuses are sequenced automatically by solid state controls linked in a cooperative manner. Ve... | 06/14/1988 |
