U.S. patent number D304,758 [Application Number 07/096,845] was granted by the patent office on 1989-11-21 for fragrance cartridge. This patent grant is currently assigned to Environmental Fragrance Technologies, Ltd.. Invention is credited to Dov Z. Glucksman, Jorg Ratzlaff.
United States Patent | D304,758 |
Glucksman , et al. | November 21, 1989 |
Inventors: | Glucksman; Dov Z. (Brookline, MA), Ratzlaff; Jorg (New York, NY) |
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Assignee: | Environmental Fragrance
Technologies, Ltd. (New York, NY) |
Appl. No.: | 07/096,845 |
Filed: | September 15, 1987 |
Current U.S. Class: | D23/366 |
Field of Search: | ;D23/355,364,366 ;55/279 ;422/4,123,124 ;261/DIG.65,30,31 ;219/274,276 ;239/59,57 |
D295676 | May 1988 | Steiner et al. |
4200229 | April 1980 | Spector |
4664312 | May 1987 | Bryson |
4731520 | March 1988 | Glucksman et al. |
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