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

Patent Owner(s)

Patent Owner	Address
DENTSPLY SIRONA INC	YORK PA 17401

International Classification(s)

• A61C:DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL....
• C30B:SINGLE-CRYSTAL GROWTH
• C22C:ALLOYS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ammon, Dan	York, US	24	143
GAO, YONG	BROKEN ARROW, US	104	1212
NDUNGU, Geoffrey Kamau	Tulsa, US	3	15

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Apr 22, 2028
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 22, 2032

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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 Application No: 2020/0332,440

Medical Instrument Made of Mono-Crystalline Shape Memory Alloys and Manufacturing Methods

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