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

Patent Owner(s)

Patent Owner	Address
COMERICA BANK	39200 W SIX MILE ROAD MC 7512 LIVONIA MI 48152

International Classification(s)

• 2102:GYMNASTICS AND SPORTS APPARATUS AND EQUIPMENT

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Collis, John R	Minneapolis, MN	3	71
Colonello, Dennis J	Studio City, CA	10	398
Schnabel, Jr Robert R	Navarre, OH	5	184

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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: D381378

Abdominal exercise device

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