-
-
2195540
-
Patent number 2,195,540
-
Issue date Apr 2, 1940
-
F24 - HEATING RANGES VENTILATING
-
2187984
-
Patent number 2,187,984
-
Issue date Jan 23, 1940
-
F24 - HEATING RANGES VENTILATING
-
2111918
-
Patent number 2,111,918
-
Issue date Mar 22, 1938
-
F24 - HEATING RANGES VENTILATING
-
2053987
-
Patent number 2,053,987
-
Issue date Sep 8, 1936
-
F24 - HEATING RANGES VENTILATING
-
1901074
-
Patent number 1,901,074
-
Issue date Mar 14, 1933
-
F24 - HEATING RANGES VENTILATING
-
1740769
-
Patent number 1,740,769
-
Issue date Dec 24, 1929
-
F24 - HEATING RANGES VENTILATING
-
1485178
-
Patent number 1,485,178
-
Issue date Feb 26, 1924
-
F24 - HEATING RANGES VENTILATING