Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 6072119 | Wall-mounted filter arrangement for blocking high-frequency electromagnetic radiation The invention relates to a filtering device with a filter housing which can accept a filter mat, is covered with a lamella grid on the outlet side and is fitted in an aperture in a mounting wall. RF screening is attained without altering the structure of ... | 06/06/2000 |
| 5660605 | Window fan A window fan incorporating a filter. The fan has a low, flat profile for fitting in a window while occupying limited viewing area of the window. The fan includes laterally projecting extensions for sealing a gap which might otherwise exist at the right an... | 08/26/1997 |
| 5379609 | Air conditioner having air filter In an air conditioner having an air filter comprising a frame body and a mesh which are integrally formed, a specific portion 140 of the frame body 132 is wider than the other portions of the frame body, and a support post 130 which is engageable with a l... | 01/10/1995 |
| 5195869 | Window frame adapter for portable box fans An adjustable adapter, which permits any portable box fan to be operated while sitting on any household windowsill. Many home or apartment windowsills are too narrow (front to back) for the box fan to stand alone. The adapter provides the needed support, ... | 03/23/1993 |