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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 POLYGRAPH "WERNER LAMBERZ" LEIPZIG	LEIPZIG

International Classification(s)

• F16N:LUBRICATING
• C05C:NITROGENOUS FERTILISERS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dittmann, Norbert	Radebeul, DD	5	9
Junker, Frank	Radebeul, DD	8	54
Lange, Juergen	Werdau, DD	6	56
Neubert, Eberhard	Zwickau, DD	2	0
Polzer, Gottlieb	Zwickau, DD	2	0
Schrader, Klaus	Zwickau, DD	5	24
Spevacek, Ullrich	Coswig, DD	2	0
Tappert, Hans-Juergen	Coswig, DD	2	0
Wardenga, Hans-Michael	Zwickau, DD	6	6

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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: 4848266

Device for treating internal surfaces of cylindrical articles

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