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Lawn tractor personal enclosure
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Patent number 6,279,986
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Issue date Aug 28, 2001
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Hinspergers Poly Industries Ltd.
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Peter Hinsperger
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Pool cover
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Patent number D411015
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Issue date Jun 15, 1999
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Peter Hinsperger
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D25 - Building units and construction elements
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Collapsible shelter
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Patent number D410472
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Issue date Jun 1, 1999
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Hinspergers Poly Industries Ltd.
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Peter Hinsperger
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D15 - Machines not elsewhere specified
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Fabric-vented greenhouse
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Patent number 5,605,007
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Issue date Feb 25, 1997
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Peter Hinsperger
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F24 - HEATING RANGES VENTILATING
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Pitching aid
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Patent number D354992
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Issue date Jan 31, 1995
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Hinspergers Poly Industries Ltd.
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Peter Hinsperger
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D21 - Games, toys, and sports goods