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

Patent Owner(s)

Patent Owner	Address
PROVALIS DIAGNOSTICS LIMITED	DEESIDE INDUSTRIAL PARK NEWTECH SQUARE DEESIDE CH5 2

International Classification(s)

• 1004:OTHER MEASURING INSTRUMENTS, APPARATUS AND DEVICES

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Andrewes, David	Farnham, GB	4	121
Attridge, John	Ripley, GB	5	10
Cresswell, Mark	Chester, GB	29	502
Curtis, John	Chester, GB	42	839
Fernando, Felix	Workingham, GB	63	5060
O'Dell, Anthony	London, GB	2	8
Percival, David Alan	Hawarden, GB	7	156
Stevenson, Anthony	Chester, GB	5	152
Vessey, John Phillip	East Horsley, GB	5	125

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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: D443539

Sample holder for spectrophotometer

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