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Clifford R. Perry
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Federal Way, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Collapsible container with reduced deflection
Patent number
6,484,898
Issue date
Nov 26, 2002
Perstorp Xytec
Mark Hillis
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Collapsible container with reduced deflection
Patent number
6,283,319
Issue date
Sep 4, 2001
Perstorp Xytec
Mark Hillis
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Water decontaminating system and method
Patent number
6,051,140
Issue date
Apr 18, 2000
Cliff Perry
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Collapsible container with reduced deflection
Patent number
5,474,197
Issue date
Dec 12, 1995
Perstorp Xytec
Mark Hillis
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Waste water treatment system
Patent number
5,352,357
Issue date
Oct 4, 1994
Cliff R. Perry
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Cover for a hot tub or the like
Patent number
4,853,985
Issue date
Aug 8, 1989
Cliff R. Perry
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Cover for a pool, hot tub or the like
Patent number
4,847,925
Issue date
Jul 18, 1989
Cliff R. Perry
E04 - BUILDING