U.S. patent number D304,224 [Application Number 06/858,233] was granted by the patent office on 1989-10-24 for flow control valve for lawn sprinkler. This patent grant is currently assigned to Ansan Industries Ltd.. Invention is credited to Dennis W. Anesi, Mark S. Williamsen, Dennis A. Wilson.
United States Patent | D304,224 |
Wilson , et al. | October 24, 1989 |
Inventors: | Wilson; Dennis A. (Wauconda Township, Lake County, IL), Anesi; Dennis W. (Rolling Meadows, IL), Williamsen; Mark S. (Evanston, IL) |
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Assignee: | Ansan Industries Ltd. (Harwood
Heights, IL) |
Appl. No.: | 06/858,233 |
Filed: | April 28, 1986 |
Current U.S. Class: | D23/245 |
Field of Search: | ;D23/233-237,244-249 ;251/624.11,624.15 ;239/69 |
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D289431 | April 1987 | Clirio et al. |
2478702 | August 1949 | Moody |
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3915185 | October 1975 | Sanner |
3921667 | November 1975 | Corliss et al. |
4012673 | March 1977 | Saarem et al. |
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4114647 | September 1978 | Sturman et al. |
4592505 | June 1986 | Bruninga et al. |
4633905 | January 1987 | Wang |
4708264 | November 1987 | Bruninga |
4722478 | February 1988 | Fletcher et al. |
4797820 | January 1989 | Wilson et al. |
4807664 | February 1989 | Wilson et al. |
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