U.S. patent number D557,784 [Application Number D/278,183] was granted by the patent office on 2007-12-18 for air filtration and aromatizing apparatus. Invention is credited to Ronald D. Stead.
United States Patent | D557,784 |
Stead | December 18, 2007 |
Inventors: | Stead; Ronald D. (Ortonville, MI) |
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Appl. No.: | D/278,183 |
Filed: | March 21, 2007 |
Current U.S. Class: | D23/364 |
Current International Class: | 2304 |
Field of Search: | ;D23/364,365,355,356,359,360,362,352,366,369,332,333,335,336,342 ;422/120,122 ;55/356,473,504 ;210/497.1 ;96/97 ;D14/188,170,172 |
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