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

Patent Owner(s)

Patent Owner	Address
LONZA COLOGNE AG	NATTERMANNALLEE 1 KOELN 50829

International Classification(s)

• C12M:APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY
• H01T:SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS....
• F41B:WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXP....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Altrogge, Ludger	Pulheim, DE	13	37
Christine, Rainer	Köln, DE	6	33
Helfrich, Juliana	Glauchau, DE	9	115
Lorbach, Elke	Köln, DE	11	144
Müller-Hartmann, Herbert	Köln, DE	6	46
Riemen, Gudula	Langenfeld, DE	11	124
Rothmann-Cosic, Kirsten	Berlin, DE	7	43
Siebenkotten, Gregor	Frechen-Königsdorf, DE	18	178
Thiel, Corinna	Köln, DE	8	111
Weigel, Meike	Köln, DE	7	107
Wessendorf, Heike	San Francisco, US	7	107

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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
May 08, 2012	US,8173416,B2   US8173416B2	GRANTED PATENT AS SECOND PUBLICATION
July 15, 2004	US,20040137603,A1   US20040137603A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8173416

Circuit arrangement for injecting nucleic acids and other biologically active molecules into the nucleus of higher eucaryotic cells using electrical current

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