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Heating system
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Patent number 6,109,339
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Issue date Aug 29, 2000
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First Company, Inc.
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Sherwood G. Talbert
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F24 - HEATING RANGES VENTILATING
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Analytical cartridge
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Patent number 5,919,711
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Issue date Jul 6, 1999
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Careside, Inc.
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Douglas E. Boyd
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Exhaust gas recuperator
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Patent number 5,314,009
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Issue date May 24, 1994
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Gas Research Institute
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Jan B. Yates
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F28 - HEAT EXCHANGE IN GENERAL
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Hand exerciser
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Patent number 4,644,938
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Issue date Feb 24, 1987
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Danninger Medical Technology
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Jan B. Yates
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Underwater excavator
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Patent number 4,408,405
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Issue date Oct 11, 1983
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The United States of America as represented by the Secretary of the Navy
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Harry S. Williams
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Rock reinforcement system
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Patent number 4,299,515
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Issue date Nov 10, 1981
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The Eastern Company
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Jan B. Yates
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E21 - EARTH DRILLING MINING
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Hydraulic steering with feedback
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Patent number 4,081,054
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Issue date Mar 28, 1978
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Caterpillar Tractor Co.
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Jan B. Yates
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Understeer vehicle steering system
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Patent number 4,019,603
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Issue date Apr 26, 1977
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Caterpillar Tractor Co.
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Dale H. Unruh
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Material handling apparatus
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Patent number 4,015,728
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Issue date Apr 5, 1977
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Caterpillar Tractor Co.
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Noble G. Barker
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING