Stove pipe drum

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Patents Grantslast 30 patents

Information Patent Grant
2274494
- Patent number 2,274,494
- Issue date Feb 24, 1942
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
1941496
- Patent number 1,941,496
- Issue date Jan 2, 1934
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
1242646
- Patent number 1,242,646
- Issue date Oct 9, 1917
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
584262
- Patent number 584,262
- Issue date Jun 8, 1897
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
376115
- Patent number 376,115
- Issue date Jan 10, 1888
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
363572
- Patent number 363,572
- Issue date May 24, 1887
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
254060
- Patent number 254,060
- Issue date Feb 21, 1882
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
170247
- Patent number 170,247
- Issue date Nov 23, 1875
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
159479
- Patent number 159,479
- Issue date Feb 2, 1875
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
70961
- Patent number 70,961
- Issue date Nov 19, 1867
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
63395
- Patent number 63,395
- Issue date Apr 2, 1867
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
46007
- Patent number 46,007
- Issue date Jan 24, 1865
- F24 - HEATING RANGES VENTILATING