-
-
-
1959120
-
Patent number 1,959,120
-
Issue date May 15, 1934
-
F28 - HEAT EXCHANGE IN GENERAL
-
1953740
-
Patent number 1,953,740
-
Issue date Apr 3, 1934
-
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
-
1914084
-
Patent number 1,914,084
-
Issue date Jun 13, 1933
-
F28 - HEAT EXCHANGE IN GENERAL
-
1381269
-
Patent number 1,381,269
-
Issue date Jun 14, 1921
-
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
-
861448
-
Patent number 861,448
-
Issue date Jul 30, 1907
-
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
-
737973
-
Patent number 737,973
-
Issue date Sep 1, 1903
-
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
-
649157
-
Patent number 649,157
-
Issue date May 8, 1900
-
F28 - HEAT EXCHANGE IN GENERAL
-
631817
-
Patent number 631,817
-
Issue date Aug 29, 1899
-
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
-
577514
-
Patent number 577,514
-
Issue date Feb 23, 1897
-
F28 - HEAT EXCHANGE IN GENERAL
-
532987
-
Patent number 532,987
-
Issue date Jan 22, 1895
-
F28 - HEAT EXCHANGE IN GENERAL
-
512002
-
Patent number 512,002
-
Issue date Jan 2, 1894
-
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
-
491930
-
Patent number 491,930
-
Issue date Feb 14, 1893
-
F28 - HEAT EXCHANGE IN GENERAL
-
483029
-
Patent number 483,029
-
Issue date Sep 20, 1892
-
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
-
477626
-
Patent number 477,626
-
Issue date Jun 21, 1892
-
F28 - HEAT EXCHANGE IN GENERAL
-
434940
-
Patent number 434,940
-
Issue date Aug 26, 1890
-
F28 - HEAT EXCHANGE IN GENERAL
-
259783
-
Patent number 259,783
-
Issue date Jun 20, 1882
-
F28 - HEAT EXCHANGE IN GENERAL