U.S. patent number D333,891 [Application Number 07/550,932] was granted by the patent office on 1993-03-09 for filter for a vacuum cleaner. This patent grant is currently assigned to Black & Decker Inc.. Invention is credited to Richard B. Kosten, Charles Z. Krasznai, Maurice A. Melito, Charles A. Reed, Jr..
United States Patent | D333,891 |
Reed, Jr. , et al. | March 9, 1993 |
Inventors: | Reed, Jr.; Charles A. (Shelton, CT), Krasznai; Charles Z. (Trumbull, CT), Kosten; Richard B. (West Haven, CT), Melito; Maurice A. (East Haven, CT) |
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Assignee: | Black & Decker Inc.
(Newark, DE) |
Appl. No.: | 07/550,932 |
Filed: | July 11, 1990 |
Current U.S. Class: | D32/30 |
Field of Search: | ;D32/25,30,31 ;15/344,347,349,352,353,DIG.8,339 ;55/462,464 |
D186583 | November 1959 | Gaudry |
4209875 | July 1980 | Pugh et al. |
4665582 | May 1987 | Richmond et al. |
4831685 | May 1989 | Bosyj et al. |
4967443 | November 1990 | Krasnai et al. |
5020187 | June 1991 | Kosten et al. |
5065473 | November 1991 | Krasnai et al. |
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