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Flexible concrete hose shut-off valve
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Patent number 10,151,395
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Issue date Dec 11, 2018
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Construction Forms, Inc.
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Brett McMichael
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tapered boom hose
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Patent number 6,913,041
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Issue date Jul 5, 2005
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Construction Forms, Inc.
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Gary D. Lehnhardt
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Concrete hose shut-off valve
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Patent number 6,817,591
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Issue date Nov 16, 2004
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Construction Forms, Inc.
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Gary D. Lehnhardt
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Flared ends conduit coupling
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Patent number 6,758,500
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Issue date Jul 6, 2004
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Construction Forms, Inc.
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Gary D. Lehnhardt
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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High pressure coupling apparatus
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Patent number 4,311,248
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Issue date Jan 19, 1982
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Construction Forms, Inc.
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Herbert A. Westerlund
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Concrete pumping swivel coupling apparatus
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Patent number 4,305,607
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Issue date Dec 15, 1981
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Construction Forms, Inc.
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Robert E. Westerlund
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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High pressure coupling apparatus
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Patent number 3,967,837
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Issue date Jul 6, 1976
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Construction Forms, Inc.
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Robert E. Westerlund
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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86050263 - CON FORMS
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Serial number 86050263
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Registration number 4562782
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Filing date Aug 28, 2013
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CONSTRUCTION FORMS, INC.
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6 - Common metals and their alloys
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76402276 - TWIN-WALL
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Serial number 76402276
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Filing date May 1, 2002
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CONSTRUCTION FORMS, INC.
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19 - Building materials (non-metallic)
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75100464 - PRIME TIME
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Serial number 75100464
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Registration number 2127770
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Filing date May 8, 1996
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CONSTRUCTION FORMS, INC.
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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75075377 - PRIME TIME
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Serial number 75075377
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Filing date Mar 20, 1996
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CONSTRUCTION FORMS, INC.
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1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
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74648645 - CF
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Serial number 74648645
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Registration number 1954922
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Filing date Mar 20, 1995
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CONSTRUCTION FORMS, INC.
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6 - Common metals and their alloys
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73785756 - DUWALL
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Serial number 73785756
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Registration number 1563017
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Filing date Mar 10, 1989
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CONSTRUCTION FORMS, INC.
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6 - Common metals and their alloys