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

Patent Owner(s)

Patent Owner	Address
INFOCUS CORPORATION	27500 SW PARKWAY AVENUE WILSONVILLE OR 97070

International Classification(s)

• G09G:ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hauck, Lane T	San Diego, CA	30	1066
Marshall, Roger N	Solana Beach, CA	6	302

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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: 5933132

Method and apparatus for calibrating geometrically an optical computer input system

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