U.S. patent number D377,523 [Application Number D/042,642] was granted by the patent office on 1997-01-21 for air cleaner. This patent grant is currently assigned to Duracraft Corp.. Invention is credited to Brian Graves, Robert Marvin, Andrew Parker, John Staton.
United States Patent | D377,523 |
Marvin , et al. | January 21, 1997 |
Inventors: | Marvin; Robert (Farmington, CT), Staton; John (Briston, CT), Graves; Brian (Farmington, MA), Parker; Andrew (Farmington, MA) |
---|---|
Assignee: | Duracraft Corp. (Southborough,
MA) |
Appl. No.: | D/042,642 |
Filed: | August 15, 1995 |
Current U.S. Class: | D23/364; D23/355; D23/370; D23/382 |
Field of Search: | ;D23/355,364,365,370,335,336,381,382 ;422/122 ;55/356 |
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Advertisement from Service.RTM. Merchandise 1993/1994 catalog for Enviracaire.RTM. air cleaners which purportedly embody U.S. Pat. No. 4,629,482 to Davis. . Advertisement from Grainger.RTM. 1994 General Catalog No. 385 for Dayton Quiet 12" Hassock Fan (stock No. 4C509).. |
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