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Ornamental design for a human gas filter pad for wearing in the underwear, as shown.
U.S. Patent No. D398,994
June 05, 2006 in Interesting Patents | Permalink
Is there a pending utility application? Or are they keeping the functional properties of the filter a trade secret?
June 05, 2006 at 02:10 PM
The Sarcastic Idiocy Forum advocates the responsible use of cheddar cheese at all times.
June 06, 2006 at 06:46 AM
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