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

Patent Owner(s)

Patent Owner	Address
BECKMAN COULTER INC	250 S KRAEMER BLVD BREA CA 92821

International Classification(s)

• G01J:MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTE....
• G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
• G01D:MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VAR....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Downey, Thomas D	Cupertino, CA	6	350
Meyer, Benjamin G	Saratoga, CA	6	335
Zweig, Stephen E	Los Gatos, CA	36	2324

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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: 6061128

Verification device for optical clinical assay systems

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