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

Patent Owner(s)

Patent Owner	Address
U S NATURAL RESOURCES INC	1981 SHURMAN WAY WOODLAND WA 98674

International Classification(s)

• Non-US Classification not provided for expired patents

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Albrecht, Eric H	Bexar County, TX	13	198
Conatser, Roger D	Bexar County, TX	3	68
Marino, Charles M	Bexar County, TX	2	32
Marks, Jonathan	New York, NY	24	321
Ramakrishnan, Rengaswamy	Bexar County, TX	11	240
Zambelli, Michael	New York, NY	11	120

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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: D368306

Room air conditioner

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