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Mobile cleaning system
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Patent number 6,182,328
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Issue date Feb 6, 2001
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Professional Chemicals Corporation
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Michael J. Roden
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B60 - VEHICLES IN GENERAL
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Surface cleaning appliance
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Patent number 6,032,326
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Issue date Mar 7, 2000
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Professional Chemicals Corporation
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Michael J. Roden
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Surface cleaning appliance
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Patent number 5,784,754
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Issue date Jul 28, 1998
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Professional Chemicals Corporation
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Michael J. Roden
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Surface cleaning appliance
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Patent number 5,463,791
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Issue date Nov 7, 1995
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Redfield Engineering
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Michael J. Roden
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Cleaning system
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Patent number 4,991,254
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Issue date Feb 12, 1991
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Professional Chemicals Corporation
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James R. Roden
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...