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Gregory N. Berenfield
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Cincinnati, OH, US
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Patents Grants
last 30 patents
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Patent Grant
Closure ring assembly for steel drums
Patent number
7,597,367
Issue date
Oct 6, 2009
Berenfield Holdings (Mason), LLC
Gregory N. Berenfield
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
CLOSURE RING ASSEMBLY FOR STEEL DRUMS
Publication number
20080116698
Publication date
May 22, 2008
Gregory N. Berenfield
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Closure ring assembly for steel drums
Publication number
20060255597
Publication date
Nov 16, 2006
Gregory N. Berenfield
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
CLOSURE RING ASSEMBLY FOR STEEL DRUMS
Publication number
20060255598
Publication date
Nov 16, 2006
BERENFIELD CONTAINERS, INC.
Gregory Berenfield
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL