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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
VEB KOMBINAT WALZLAGER UND NORMTEILE REICHENHAINER STRASSE 31/33- 9022 KARL-MARX-STADT- DDR (GERMAN DEMOCRATIC REPUBLIC) A DDR (GERMAN DEMOCRATIC REPUBLIC) CORP	Not Provided

International Classification(s)

• B21H:MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. S....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bartko, Kristine	Dohma, DD	2	2
Gabler, Dieter	Karl Marx Stadt, DD	3	29
Heinrich, Peter	Karl Marx Stadt, DD	70	698
Luckner, Joachim	Karl Marx Stadt, DD	1	2
Schlenkrich, Bernd	Karl Marx Stadt, DD	1	2

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 4672833

Method and apparatus for the two-step rolling of rings

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