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Three-way log splitter assembly
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Patent number 4,378,037
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Issue date Mar 29, 1983
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John L. Conn
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Separable hinge
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Patent number 4,334,338
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Issue date Jun 15, 1982
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John L. Conn
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Container with drinking tube
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Patent number 4,291,814
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Issue date Sep 29, 1981
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John L. Conn
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Container with drinking tube
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Patent number 4,265,363
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Issue date May 5, 1981
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John L. Conn
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Two-way postal card and envelope
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Patent number 4,245,775
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Issue date Jan 20, 1981
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John L. Conn
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Adjustable envelope
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Patent number 4,022,374
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Issue date May 10, 1977
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John L. Conn
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Easy anchor
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Patent number 3,974,604
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Issue date Aug 17, 1976
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John L. Conn
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING