Allentown, PA, US
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Patent Grant
Damper Design, Inc.
Donald K. Hagar
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Patent Grant
Damper Design, Inc.
Donald K. Hagar
F28 - HEAT EXCHANGE IN GENERAL
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Patent Grant
Damper Design, Inc.
Donald K. Hagar
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Damper Design, Inc.
Donald K. Hagar
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Damper Design, Inc.
Donald K. Hagar
F28 - HEAT EXCHANGE IN GENERAL
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Patent Grant
Damper Design, Inc.
Donald K. Hager
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Patent Grant
Damper Design, Inc.
Michael R. Neiman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Patent Grant
Damper Design, Inc.
Donald K. Hagar
137 - Fluid handling
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Patent Grant
Damper Design, Inc.
Donald K. Hagar
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Patent Application
Damper Design, Inc.
Donald K. Hagar
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Trademark
Damper Design, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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Trademark
Damper Design, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
Damper Design, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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Trademark
DAMPER DESIGN, INC.
6 - Common metals and their alloys
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Trademark
DAMPER DESIGN, INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
