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Valley Blox, Inc.
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WASHINGTON, DC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Manhole invert casting system
Patent number
4,867,411
Issue date
Sep 19, 1989
Valley Blox, Inc.
Wayne W. Dorsey
B28 - WORKING CEMENT, CLAY, OR STONE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
76378783 - AMERICAST
Serial number
76378783
Registration number
2788103
Filing date
Mar 5, 2002
Valley Blox, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
76377542 - FILTERRA
Serial number
76377542
Registration number
2818067
Filing date
Mar 1, 2002
Valley Blox, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
75290434 - ISOILATER
Serial number
75290434
Filing date
May 9, 1997
Valley Blox, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes