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Henry S. Albro
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West Townsend, MA, US
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last 30 patents
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Patent Grant
Interlocking ballast block
Patent number
8,596,921
Issue date
Dec 3, 2013
Henry S. Albro
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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last 30 patents
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Patent Application
INTERLOCKING BALLAST BLOCK
Publication number
20110280659
Publication date
Nov 17, 2011
Henry S. Albro
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL