-
-
-
-
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3605883
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Patent number 3,605,883
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Issue date Sep 20, 1971
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F28 - HEAT EXCHANGE IN GENERAL
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3578074
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Patent number 3,578,074
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Issue date May 11, 1971
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F24 - HEATING RANGES VENTILATING
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3295503
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Patent number 3,295,503
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Issue date Jan 3, 1967
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F28 - HEAT EXCHANGE IN GENERAL
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3262489
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Patent number 3,262,489
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Issue date Jul 26, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3260307
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Patent number 3,260,307
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Issue date Jul 12, 1966
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F22 - STEAM GENERATION
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3250320
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Patent number 3,250,320
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Issue date May 10, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3250319
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Patent number 3,250,319
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Issue date May 10, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3228456
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Patent number 3,228,456
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Issue date Jan 11, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3207130
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Patent number 3,207,130
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Issue date Sep 21, 1965
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F24 - HEATING RANGES VENTILATING
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3187810
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Patent number 3,187,810
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Issue date Jun 8, 1965
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F28 - HEAT EXCHANGE IN GENERAL
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3134366
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Patent number 3,134,366
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Issue date May 26, 1964
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F24 - HEATING RANGES VENTILATING
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3130713
-
Patent number 3,130,713
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Issue date Apr 28, 1964
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F22 - STEAM GENERATION
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3057333
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Patent number 3,057,333
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Issue date Oct 9, 1962
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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3056587
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Patent number 3,056,587
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Issue date Oct 2, 1962
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B22 - CASTING POWDER METALLURGY
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3033538
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Patent number 3,033,538
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Issue date May 8, 1962
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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2964025
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Patent number 2,964,025
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Issue date Dec 13, 1960
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F22 - STEAM GENERATION
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2789521
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Patent number 2,789,521
-
Issue date Apr 23, 1957
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2351425
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Patent number 2,351,425
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Issue date Jun 13, 1944
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F28 - HEAT EXCHANGE IN GENERAL
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2346104
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Patent number 2,346,104
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Issue date Apr 4, 1944
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F28 - HEAT EXCHANGE IN GENERAL
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2343502
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Patent number 2,343,502
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Issue date Mar 7, 1944
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F28 - HEAT EXCHANGE IN GENERAL
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2316063
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Patent number 2,316,063
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Issue date Apr 6, 1943
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F28 - HEAT EXCHANGE IN GENERAL
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2309523
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Patent number 2,309,523
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Issue date Jan 26, 1943
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F22 - STEAM GENERATION
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2301113
-
Patent number 2,301,113
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Issue date Nov 3, 1942
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F28 - HEAT EXCHANGE IN GENERAL
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2292750
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Patent number 2,292,750
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Issue date Aug 11, 1942
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F28 - HEAT EXCHANGE IN GENERAL
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2199214
-
Patent number 2,199,214
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Issue date Apr 30, 1940
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F22 - STEAM GENERATION
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1895868
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Patent number 1,895,868
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Issue date Jan 31, 1933
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F22 - STEAM GENERATION