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Willi Dorpmund
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Elze, DE
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last 30 patents
Information
Patent Grant
Device for locking pivotally mounted corner posts of loading platforms
Patent number
4,527,765
Issue date
Jul 9, 1985
Graaff, Kommanditgesellschaft
Willi Dorpmund
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Mounting for a tank receptacle in a supporting framework
Patent number
4,441,678
Issue date
Apr 10, 1984
Graaff Kommanditgesellschaft
Willi Dorpmund
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Device for locking together stacked objects
Patent number
4,437,211
Issue date
Mar 20, 1984
Graaff KG
Willi Dorpmund
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Shipping container construction
Patent number
4,286,507
Issue date
Sep 1, 1981
Graaff Kommanditgesellschaft
Willi Dorpmund
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Side wall construction for a container for shipping goods
Patent number
4,169,407
Issue date
Oct 2, 1979
Graaff Kommanditgesellschaft
Willi Dorpmund
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL