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Underdrain assembly |
Michael Ekholm, Richard C. Maxson, Fabrice Jean Alphonse Courageot |
2018-12-11 |
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Electrically heated cigarette smoking system with internal manifolding for puff detection |
John Felter, Robert E. Lee, Ashok Solanky, Clint Blake, Pamela Davis +4 more |
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Method and apparatus for water treatment |
Stephen A. Uban, Richard C. Maxson, Ralph W. Holliday |
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Method and apparatus for water treatment |
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Visual alarm device interconnectable to existing monitoring circuitry |
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Method and apparatus for making long-tailed neps |
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1988-08-09 |