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

Patent Owner(s)

Patent Owner	Address
LANGENSTEIN & SCHEMANN GMBH	96450 COBURG

International Classification(s)

• B21D:WORKING OR PROCESSING OF SHEET METAL OR METAL TUBE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hausdoerfer, Siegfried	Mitwitz, DE	3	3
Hofmann, Guenter	Coburg, DE	10	24
Katsibardis, Stelios	Coburg, DE	5	14
Rueger, Herbert	Schneckenlohe, DE	2	3
Vogler, Guenther	Roedental, DE	2	3
Zwilling, Henry	Sonneberg, DE	3	7

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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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 05, 2007	US,7225656,B2   US7225656B2	GRANTED PATENT AS SECOND PUBLICATION
November 25, 2004	US,20040231380,A1   US20040231380A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2004/0231,380

Process for forming a workpiece and rolling machine

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