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• 15 United States
• 10 France
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Patent Owner(s)

Patent Owner	Address
NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA LLC	P O BOX 5800 MS-0161 ALBUQUERQUE NM 87185-0161

International Classification(s)

• G01T:MEASUREMENT OF NUCLEAR OR X-RADIATION

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Walker, Scottie W	Albuquerque, NM	1	0
# of filed Patents : 1 Total Citations : 0

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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: 6765208

Thermoluminescence dosimeters with narrow bandpass filters

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Abstract

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A dosimetry method exposes more than one thermoluminescence crystals to radiation without using conventional filters, and reads the energy stored in the crystals by converting the energy to light in a conventional manner, and then filters each crystal output in a different portion of the spectrum generated by the crystals.

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Description

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Legal Events

 

• AS2017
• FPAY2016
• FPAY2011
• FPAY2007
• I2004
• STCF2004
• F2001
• PD2001
• AS2001

Date	Code	Event	Description
May 01, 2017	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:SANDIA CORPORATION;REEL/FRAME:044681/0969 Owner name: NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SAN Effective Date: May 01, 2017
Jan 06, 2016	FPAY	FEE PAYMENT	year of fee payment: 12
Sep 21, 2011	FPAY	FEE PAYMENT	year of fee payment: 8
Dec 06, 2007	FPAY	FEE PAYMENT	year of fee payment: 4
Jul 20, 2004	I	Issuance
Jul 01, 2004	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Sep 17, 2001	F	Filing
Sep 17, 2001	PD	Priority Date
Sep 14, 2001	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WALKER, SCOTTIE W.;REEL/FRAME:012275/0868 Owner name: SANDIA NATIONAL LABORATORIES, NEW MEXICO Effective Date: Sep 14, 2001