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Quick-change filter cartridge
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Patent number D321394
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Issue date Nov 5, 1991
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Cuno, Incorporate
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Raymond M. Petrucci
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D23 - Environmental heating and cooling
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Universal coupling for a faucet
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Patent number 4,822,076
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Issue date Apr 18, 1989
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Cuno, Incorporated
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James M. Padilla
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Water vending system
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Patent number 4,801,375
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Issue date Jan 31, 1989
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Cuno Incorporated
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James M. Padilla
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G07 - CHECKING-DEVICES
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Water purifier fitting and system
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Patent number 4,599,171
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Issue date Jul 8, 1986
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Pure Water International, Inc.
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James M. Padilla
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL