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Prefco Products, Inc.
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Buckingham, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Fire damper and method of fabrication
Patent number
RE32362
Issue date
Feb 24, 1987
Prefco Products, Inc.
Francis J. McCabe
137 - Fluid handling
Information
Patent Grant
Economy, angle-blade damper kit
Patent number
4,404,990
Issue date
Sep 20, 1983
Prefco Products, Inc.
Francis J. McCabe
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Duct-damper interface adaptor
Patent number
4,304,427
Issue date
Dec 8, 1981
Prefco Products, Inc.
Francis J. McCabe
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Low cost, diffuser concealable, volume control, heat responsive, re...
Patent number
4,295,486
Issue date
Oct 20, 1981
Prefco Products, Inc.
Francis J. McCabe
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method for installing an angle blade damper
Patent number
4,277,870
Issue date
Jul 14, 1981
Prefco Products, Inc.
Francis J. McCabe
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Diffuser concealable, volume control, heat-responsive, semi-automat...
Patent number
4,263,930
Issue date
Apr 28, 1981
Prefco Products, Inc.
Francis J. McCabe
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Butterfly smoke/fire damper
Patent number
4,241,748
Issue date
Dec 30, 1980
Prefco Products, Inc.
Francis J. McCabe
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Rotating blade fire damper
Patent number
4,219,185
Issue date
Aug 26, 1980
Prefco Products, Inc.
Francis J. McCabe
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Economy, angle-blade damper kit
Patent number
4,185,657
Issue date
Jan 29, 1980
Prefco Products, Inc.
Francis J. McCabe
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Rotating blade damper
Patent number
4,185,658
Issue date
Jan 29, 1980
Prefco Products, Inc.
Francis J. McCabe
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method of forming a smoke, fire and air control damper with stamped...
Patent number
4,183,129
Issue date
Jan 15, 1980
Prefco Products, Inc.
Francis J. McCabe
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73427497 - PIVOT/AIR
Serial number
73427497
Registration number
1325600
Filing date
May 25, 1983
Prefco Products, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
72380219 - QUICK FAB
Serial number
72380219
Registration number
948280
Filing date
Jan 5, 1971
PREFCO PRODUCTS INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
72341194 - DRAFT LOK
Serial number
72341194
Registration number
895046
Filing date
Oct 20, 1969
PREFCO PRODUCTS INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
72341196 - AIR LOK
Serial number
72341196
Registration number
895047
Filing date
Oct 20, 1969
PREFCO PRODUCTS INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
72332042 - AIR/LOK
Serial number
72332042
Registration number
891271
Filing date
Jul 8, 1969
PREFCO PRODUCTS INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes