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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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Inventor: Adolf Margraf


Address: D-3060 Stadthagen Wendthagen, DE
No. of patents: 2
Last patent issue date: 05/20/1980

NumberTitleIssue Date
4203737Pocket or tube filters
A filtering separator, in particular a pocket or tube filter, of the kind in which smoke-laden gas containing dust particles of particularly great adhesiveness is fed into a dust collecting trough of a filter housing at the bottom and upwards towards filt...
05/20/1980
4157900Tube filters
This invention relates to a tube filter assembly of the kind comprising a housing divided by a perforated wall into a dirty gas chamber and a clean gas chamber, and containing filter tubes which are attached to said perforated wall in a sealed fashion and...
06/12/1979
 
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