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Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

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Class 454/207 - With specific filtering means


Subclass of Class 454 - Ventilation
Definition: Subject matter wherein particular significance is attributed
No. of patents: 4
Last issue date: 06/06/2000


NumberTitleIssue Date
6072119Wall-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
5660605Window 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
5379609Air 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
5195869Window 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
 
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