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

Patent Owner(s)

Patent Owner	Address
CRAWFORD CHRISTOPHER M	P O BOX 384 BRECKENRIDGE CO 80424

International Classification(s)

• A61B:DIAGNOSIS; SURGERY; IDENTIFICATION
• F02B:INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENG....
• B60Q:ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE....
• G02F:DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bauer, Frederick T	Holland, MI	79	12749
Bonardi, Timothy A	Buchanan, MI	20	2615
Roberts, John K	East Grand Rapids, MI	126	20168
Stam, Joseph S	Holland, MI	103	17409
Tonar, William L	Holland, MI	195	18834
Turnbull, Robert R	Holland, MI	128	11592

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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: 6441943

Indicators and illuminators using a semiconductor radiation emitter package

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