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Reel/Frame:059525/0575   Pages: 14
Recorded: 03/28/2022
Attorney Dkt #:4271-0001.PNC-RIDER
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 80
1
Patent #:
Issue Dt:
09/30/2003
Application #:
09683792
Filing Dt:
02/14/2002
Title:
DYNAMIC WAVELENGTH-SELECTIVE GRATING MODULATOR
2
Patent #:
Issue Dt:
09/30/2003
Application #:
09683796
Filing Dt:
02/15/2002
Title:
THERMAL-INDUCED WAVEGUIDE GRATINGS
3
Patent #:
Issue Dt:
06/10/2003
Application #:
09683825
Filing Dt:
02/20/2002
Title:
DYNAMIC CONTROL OF POLARIZATION OF AN OPTICAL SIGNAL
4
Patent #:
Issue Dt:
12/28/2004
Application #:
10101515
Filing Dt:
03/18/2002
Title:
IN-LINE OPTICAL POLARIMETER BASED ON INTEGRATION OF FREE-SPACE OPTICAL ELEMENTS
5
Patent #:
Issue Dt:
12/13/2005
Application #:
10209824
Filing Dt:
07/31/2002
Title:
VARIABLE POLARIZATION-DEPENDENT-LOSS SOURCE
6
Patent #:
Issue Dt:
01/10/2006
Application #:
10233011
Filing Dt:
08/30/2002
Publication #:
Pub Dt:
04/24/2003
Title:
CASCADED FIBER FABRY-PEROT FILTERS
7
Patent #:
Issue Dt:
08/30/2005
Application #:
10307085
Filing Dt:
11/29/2002
Publication #:
Pub Dt:
07/10/2003
Title:
AMPLIFIED PHOTOCONDUCTIVE GATE
8
Patent #:
Issue Dt:
12/26/2006
Application #:
10418712
Filing Dt:
04/17/2003
Title:
OPTICAL DEPOLARIZERS AND DGD GENERATORS BASED ON OPTICAL DELAY
9
Patent #:
Issue Dt:
01/02/2007
Application #:
10677809
Filing Dt:
10/01/2003
Title:
OPTICAL DEVICES WITH FOLDED OPTICAL PATH DESIGNS
10
Patent #:
Issue Dt:
06/27/2006
Application #:
10678592
Filing Dt:
10/02/2003
Title:
METHODS AND SYSTEMS FOR DYNAMIC CONTROL OF POLARIZATION OF AN OPTICAL SIGNAL
11
Patent #:
Issue Dt:
06/07/2005
Application #:
10686934
Filing Dt:
10/15/2003
Publication #:
Pub Dt:
12/09/2004
Title:
WAFERLESS FIBER FABRY-PEROT FILTERS
12
Patent #:
Issue Dt:
06/20/2006
Application #:
10742599
Filing Dt:
12/18/2003
Publication #:
Pub Dt:
08/05/2004
Title:
SELECTABLE AND TUNABLE FERRULE HOLDER FOR A FIBER FABRY-PEROT FILTER
13
Patent #:
Issue Dt:
09/04/2007
Application #:
10757027
Filing Dt:
01/13/2004
Title:
SENSITIVE POLARIZATION MONITORING AND CONTROLLING
14
Patent #:
Issue Dt:
08/30/2005
Application #:
10759522
Filing Dt:
01/15/2004
Title:
OPTICAL SPECTRUM MONITOR
15
Patent #:
Issue Dt:
09/14/2010
Application #:
10903240
Filing Dt:
07/30/2004
Title:
REDUCTION OF NOISE AND POLARIZATION MODE DISPERSION (PMD) BASED ON OPTICAL POLARIZATION STABILIZER IN FIBER TRANSMISSION
16
Patent #:
Issue Dt:
04/11/2006
Application #:
10914592
Filing Dt:
08/09/2004
Publication #:
Pub Dt:
09/15/2005
Title:
GENERATION AND ANALYSIS OF STATE OF POLARIZATION USING TUNABLE OPTICAL POLARIZATION ROTATORS
17
Patent #:
Issue Dt:
09/04/2007
Application #:
11025662
Filing Dt:
12/28/2004
Title:
IN-LINE OPTICAL POLARIMETER USING FREE-SPACE POLARIZATION SAMPLING ELEMENTS
18
Patent #:
Issue Dt:
06/05/2007
Application #:
11075643
Filing Dt:
03/08/2005
Title:
TUNABLE PMD EMULATORS AND COMPENSATORS
19
Patent #:
Issue Dt:
11/11/2008
Application #:
11138246
Filing Dt:
05/26/2005
Publication #:
Pub Dt:
10/11/2007
Title:
TERAHERTZ IMAGING SYSTEM FOR EXAMINING ARTICLES
20
Patent #:
Issue Dt:
03/11/2008
Application #:
11140456
Filing Dt:
05/27/2005
Publication #:
Pub Dt:
12/01/2005
Title:
OPTICAL COMMUNICATIONS BASED ON OPTICAL POLARIZATION MULTIPLEXING AND DEMULTIPLEXING
21
Patent #:
Issue Dt:
05/15/2007
Application #:
11149946
Filing Dt:
06/10/2005
Publication #:
Pub Dt:
02/02/2006
Title:
OPTICAL INSTRUMENT AND MEASUREMENTS USING MULTIPLE TUNABLE OPTICAL POLARIZATION ROTATORS
22
Patent #:
Issue Dt:
04/21/2009
Application #:
11291585
Filing Dt:
11/30/2005
Publication #:
Pub Dt:
06/01/2006
Title:
MEASUREMENTS OF POLARIZATION-DEPENDENT LOSS (PDL) AND DEGREE OF POLARIZATION (DOP) USING OPTICAL POLARIZATION CONTROLLERS
23
Patent #:
Issue Dt:
05/13/2008
Application #:
11474122
Filing Dt:
06/22/2006
Title:
LOW COST POLAMETRIC DETECTOR
24
Patent #:
Issue Dt:
10/14/2008
Application #:
11495164
Filing Dt:
07/28/2006
Publication #:
Pub Dt:
09/27/2007
Title:
POLARIZATION MEASUREMENT AND SELF-CALIBRATION BASED ON MULTIPLE TUNABLE OPTICAL POLARIZATION ROTATORS
25
Patent #:
Issue Dt:
04/06/2010
Application #:
11562961
Filing Dt:
11/22/2006
Title:
OPTICAL SPECTRUM ANALYSIS USING OPTICAL INTERFEROMETRY
26
Patent #:
Issue Dt:
03/05/2013
Application #:
11576215
Filing Dt:
03/26/2008
Publication #:
Pub Dt:
10/23/2008
Title:
OPTICAL DELAY
27
Patent #:
Issue Dt:
05/19/2009
Application #:
11616264
Filing Dt:
12/26/2006
Publication #:
Pub Dt:
12/27/2007
Title:
OPTICAL DEPOLARIZERS AND DGD GENERATORS BASED ON OPTICAL DELAY
28
Patent #:
Issue Dt:
12/16/2008
Application #:
11749129
Filing Dt:
05/15/2007
Publication #:
Pub Dt:
02/07/2008
Title:
OPTICAL INSTRUMENT AND MEASUREMENTS USING MULTIPLE TUNABLE OPTICAL POLARIZATION ROTATORS
29
Patent #:
Issue Dt:
05/25/2010
Application #:
11758614
Filing Dt:
06/05/2007
Title:
IMPORTANCE SAMPLING TECHNIQUES BASED ON ADJUSTABLE DIFFERENTIAL GROUP DELAY (DGD) ELEMENTS
30
Patent #:
Issue Dt:
05/19/2009
Application #:
11849972
Filing Dt:
09/04/2007
Publication #:
Pub Dt:
03/06/2008
Title:
COMPACT OPTICAL DELAY DEVICES
31
Patent #:
Issue Dt:
06/03/2008
Application #:
11850867
Filing Dt:
09/06/2007
Title:
FIBER STRETCHER APPARATUS
32
Patent #:
Issue Dt:
08/11/2009
Application #:
11877902
Filing Dt:
10/24/2007
Publication #:
Pub Dt:
12/04/2008
Title:
METHOD AND APPARATUS FOR MULTIPLE SCAN RATE SWEPT WAVELENGTH LASER-BASED OPTICAL SENSOR INTERROGATION SYSTEM WITH OPTICAL PATH LENGTH MEASUREMENT CAPABILITY
33
Patent #:
Issue Dt:
12/28/2010
Application #:
11940994
Filing Dt:
11/15/2007
Publication #:
Pub Dt:
05/21/2009
Title:
FIBER OPTIC STRAIN GAGE AND CARRIER
34
Patent #:
Issue Dt:
05/17/2011
Application #:
11941007
Filing Dt:
11/15/2007
Publication #:
Pub Dt:
11/18/2010
Title:
MODE SCRAMBLING APPARATUS FOR MULTIMODE FIBER
35
Patent #:
Issue Dt:
12/06/2011
Application #:
11949723
Filing Dt:
12/03/2007
Publication #:
Pub Dt:
06/12/2008
Title:
OPTICAL POLARIZATION DIVISION MULTIPLEXING IN OPTICAL COMMUNICATION
36
Patent #:
Issue Dt:
05/25/2010
Application #:
12055685
Filing Dt:
03/26/2008
Title:
OPTICAL DIFFERENTIAL GROUP DELAY MODULE WITH FOLDED OPTICAL PATH
37
Patent #:
Issue Dt:
05/31/2011
Application #:
12056262
Filing Dt:
03/26/2008
Title:
WAVEPLATE ANALYZER BASED ON MULTIPLE TUNABLE OPTICAL POLARIZATION ROTATORS
38
Patent #:
Issue Dt:
08/16/2011
Application #:
12145474
Filing Dt:
06/24/2008
Publication #:
Pub Dt:
01/29/2009
Title:
MONITORING MECHANISMS FOR OPTICAL SYSTEMS
39
Patent #:
Issue Dt:
01/01/2013
Application #:
12351294
Filing Dt:
01/09/2009
Publication #:
Pub Dt:
08/20/2009
Title:
MEASURING OPTICAL SPECTRAL PROPERTY OF LIGHT BASED ON POLARIZATION ANALYSIS
40
Patent #:
Issue Dt:
04/16/2013
Application #:
12359095
Filing Dt:
01/23/2009
Title:
MONITORING POLARIZATION-MODE DISPERSION AND SIGNAL-TO-NOISE RATIO IN OPTICAL SIGNALS BASED ON POLARIZATION ANALYSIS
41
Patent #:
Issue Dt:
07/19/2011
Application #:
12360761
Filing Dt:
01/27/2009
Publication #:
Pub Dt:
09/24/2009
Title:
POLARIZATION STABLE LASERS
42
Patent #:
Issue Dt:
04/24/2012
Application #:
12468801
Filing Dt:
05/19/2009
Publication #:
Pub Dt:
09/10/2009
Title:
OPTICAL DEPOLARIZERS AND DGD GENERATORS BASED ON OPTICAL DELAY
43
Patent #:
Issue Dt:
06/04/2013
Application #:
12667986
Filing Dt:
07/21/2010
Publication #:
Pub Dt:
11/04/2010
Title:
SYSTEM AND METHOD TO MEASURE THE TRANSIT TIME POSITION(S) OF PULSES IN TIME DOMAIN DATA
44
Patent #:
Issue Dt:
12/03/2013
Application #:
12780593
Filing Dt:
05/14/2010
Publication #:
Pub Dt:
11/17/2011
Title:
Measuring Distributed Polarization Crosstalk in Polarization Maintaining Fiber and Optical Birefringent Material
45
Patent #:
Issue Dt:
09/17/2013
Application #:
13144719
Filing Dt:
07/15/2011
Publication #:
Pub Dt:
11/10/2011
Title:
OPTICAL IMAGING FOR OPTICAL DEVICE INSPECTION
46
Patent #:
Issue Dt:
07/15/2014
Application #:
13247704
Filing Dt:
09/28/2011
Publication #:
Pub Dt:
03/28/2013
Title:
POLARIZATION SCRAMBLING BASED ON CASCADED OPTICAL POLARIZATION DEVICES HAVING MODULATED OPTICAL RETARDATION
47
Patent #:
Issue Dt:
05/07/2013
Application #:
13266023
Filing Dt:
03/27/2012
Publication #:
Pub Dt:
07/12/2012
Title:
SYSTEM AND METHOD REDUCING FIBER STRETCH INDUCED TIMING ERRORS IN FIBER OPTIC COUPLED TIME DOMAIN TERAHERTZ SYSTEMS
48
Patent #:
Issue Dt:
05/26/2015
Application #:
13482813
Filing Dt:
05/29/2012
Publication #:
Pub Dt:
12/05/2013
Title:
MEASURING POLARIZATION CROSSTALK IN OPTICAL BIREFRINGENT MATERIALS AND DEVICES BASED ON REDUCTION OF LINE BROADENING CAUSED BY BIREFRINGENT DISPERSION
49
Patent #:
Issue Dt:
03/07/2017
Application #:
13501250
Filing Dt:
08/07/2012
Publication #:
Pub Dt:
12/06/2012
Title:
SYSTEM AND METHOD FOR DETECTION AND MEASUREMENT OF INTERFACIAL PROPERTIES IN SINGLE AND MULTILAYER OBJECTS
50
Patent #:
Issue Dt:
07/22/2014
Application #:
13863310
Filing Dt:
04/15/2013
Title:
MONITORING POLARIZATION-MODE DISPERSION AND SIGNAL-TO-NOISE RATIO IN OPTICAL SIGNALS BASED ON POLARIZATION ANALYSIS
51
Patent #:
Issue Dt:
03/21/2017
Application #:
14294110
Filing Dt:
06/02/2014
Publication #:
Pub Dt:
12/04/2014
Title:
RECONSTRUCTION OF OPTICAL COHERENT TOMOGRAPHY (OCT) IMAGES OF MORPHOLOGICAL FEATURES
52
Patent #:
Issue Dt:
04/25/2017
Application #:
14301259
Filing Dt:
06/10/2014
Publication #:
Pub Dt:
12/11/2014
Title:
DISTRIBUTED FIBER BEND AND STRESS MEASUREMENT FOR DETERMINING OPTICAL FIBER RELIABILITY BY MULTI-WAVELENGTH OPTICAL REFLECTOMETRY
53
Patent #:
Issue Dt:
01/26/2016
Application #:
14358951
Filing Dt:
05/16/2014
Publication #:
Pub Dt:
10/09/2014
Title:
METHOD AND APPARATUS FOR OFDR-BASED ELECTROPHORESIS
54
Patent #:
Issue Dt:
07/17/2018
Application #:
14386572
Filing Dt:
09/19/2014
Publication #:
Pub Dt:
03/05/2015
Title:
SYSTEM AND METHOD TO DETECT ANOMALIES
55
Patent #:
Issue Dt:
06/07/2016
Application #:
14436073
Filing Dt:
04/15/2015
Publication #:
Pub Dt:
09/24/2015
Title:
SYSTEM FOR CALCULATION OF MATERIAL PROPERTIES USING REFLECTION TERAHERTZ RADIATION AND AN EXTERNAL REFERENCE STRUCTURE
56
Patent #:
Issue Dt:
06/27/2017
Application #:
14602563
Filing Dt:
01/22/2015
Publication #:
Pub Dt:
07/23/2015
Title:
Multiplexed Fiber-Coupled Fabry-Perot Sensors and Method Therefor
57
Patent #:
Issue Dt:
06/27/2017
Application #:
14640012
Filing Dt:
03/05/2015
Publication #:
Pub Dt:
04/07/2016
Title:
1-DIMENSIONAL AND 2-DIMENSIONAL DISTRIBUTED FIBER-OPTIC STRAIN AND STRESS SENSORS BASED ON POLARIZATION MAINTAINING FIBER USING DISTRIBUTED POLARIZATION CROSSTALK ANALYZER AS AN INTERROGATOR
58
Patent #:
Issue Dt:
10/25/2016
Application #:
14640018
Filing Dt:
03/05/2015
Publication #:
Pub Dt:
09/08/2016
Title:
MEASUREMENTS OF STRAIN, STRESS AND TEMPERATURE BY USING 1-DIMENSIONAL AND 2-DIMENSIONAL DISTRIBUTED FIBER-OPTIC SENSORS BASED ON SENSING BY POLARIZATION MAINTAINING FIBER OF DISTRIBUTED POLARIZATION CROSSTALK DISTRIBUTION
59
Patent #:
Issue Dt:
07/28/2020
Application #:
14810473
Filing Dt:
07/27/2015
Title:
COMPLETE CHARACTERIZATION OF POLARIZATION-MAINTAINING FIBERS USING DISTRIBUTED POLARIZATION ANALYSIS
60
Patent #:
Issue Dt:
08/01/2017
Application #:
14897221
Filing Dt:
12/09/2015
Publication #:
Pub Dt:
05/05/2016
Title:
DEVICES AND METHODS FOR CHARACTERIZATION OF DISTRIBUTED FIBER BEND AND STRESS
61
Patent #:
Issue Dt:
12/26/2017
Application #:
15051280
Filing Dt:
02/23/2016
Publication #:
Pub Dt:
08/25/2016
Title:
METHOD FOR ENABLING SYSTEM OPERATION BASED ON A SPECTRAL FINGERPRINT
62
Patent #:
Issue Dt:
06/12/2018
Application #:
15103605
Filing Dt:
06/10/2016
Publication #:
Pub Dt:
10/27/2016
Title:
SYSTEM FOR TRANSMITTING AND RECEIVING ELECTROMAGNETIC RADIATION
63
Patent #:
Issue Dt:
02/26/2019
Application #:
15154040
Filing Dt:
05/13/2016
Publication #:
Pub Dt:
01/26/2017
Title:
SYSTEM FOR DETERMINING AT LEAST ONE PROPERTY OF A SHEET DIELECTRIC SAMPLE USING TERAHERTZ RADIATION
64
Patent #:
Issue Dt:
11/28/2017
Application #:
15497176
Filing Dt:
04/25/2017
Publication #:
Pub Dt:
10/26/2017
Title:
DISTRIBUTED FIBER BEND AND STRESS MEASUREMENT FOR DETERMINING OPTICAL FIBER RELIABILITY BY MULTI-WAVELENGTH OPTICAL REFLECTOMETRY
65
Patent #:
Issue Dt:
12/25/2018
Application #:
15500243
Filing Dt:
01/30/2017
Publication #:
Pub Dt:
09/21/2017
Title:
METHODS AND APPARATUS FOR INTERFEROMETRIC INTERROGATION OF AN OPTICAL SENSOR
66
Patent #:
Issue Dt:
05/21/2019
Application #:
15505726
Filing Dt:
02/22/2017
Publication #:
Pub Dt:
09/28/2017
Title:
METHOD AND APPARATUS FOR MULTIPLE LOCALIZED INTERFEROMETRIC MEASUREMENTS
67
Patent #:
Issue Dt:
09/24/2019
Application #:
15525306
Filing Dt:
05/09/2017
Publication #:
Pub Dt:
07/12/2018
Title:
OPTICAL FIBER AND METHOD AND APPARATUS FOR ACCURATE FIBER OPTIC SENSING UNDER MULTIPLE STIMULI
68
Patent #:
Issue Dt:
01/22/2019
Application #:
15632888
Filing Dt:
06/26/2017
Publication #:
Pub Dt:
12/14/2017
Title:
Sensor System Comprising Multiplexed Fiber-Coupled Fabry-Perot Sensors
69
Patent #:
Issue Dt:
06/18/2019
Application #:
15666442
Filing Dt:
08/01/2017
Publication #:
Pub Dt:
11/16/2017
Title:
DEVICES AND METHODS FOR CHARACTERIZATION OF DISTRIBUTED FIBER BEND AND STRESS
70
Patent #:
Issue Dt:
06/02/2020
Application #:
15902998
Filing Dt:
02/22/2018
Publication #:
Pub Dt:
08/23/2018
Title:
SENSITIVE OPTICAL FIBER SHAPE SENSING BASED ON SHAPE-RELATED OPTICAL POLARIZATION EVOLUTION
71
Patent #:
Issue Dt:
01/07/2020
Application #:
15905755
Filing Dt:
02/26/2018
Publication #:
Pub Dt:
12/06/2018
Title:
OPTICAL CHARACTERIZATION OF FIBER REINFORCED PLASTIC COMPOSITES BASED ON OPTICAL TRANSMISSION SCANNING
72
Patent #:
Issue Dt:
12/18/2018
Application #:
15975715
Filing Dt:
05/09/2018
Publication #:
Pub Dt:
12/06/2018
Title:
COMPACT OPTIC DELAY LINES USING DUAL FIBER COLLIMATORS AND ROOF PRISMS
73
Patent #:
Issue Dt:
01/19/2021
Application #:
15975757
Filing Dt:
05/09/2018
Publication #:
Pub Dt:
12/27/2018
Title:
SINE-COSINE OPTICAL FREQUENCY ENCODER DEVICES BASED ON OPTICAL POLARIZATION PROPERTIES
74
Patent #:
Issue Dt:
11/09/2021
Application #:
16076295
Filing Dt:
08/07/2018
Publication #:
Pub Dt:
12/17/2020
Title:
DISTRIBUTED FIBER OPTIC ACOUSTIC SENSOR
75
Patent #:
Issue Dt:
06/18/2019
Application #:
16107749
Filing Dt:
08/21/2018
Publication #:
Pub Dt:
02/21/2019
Title:
SECURITY SWITCH
76
Patent #:
Issue Dt:
06/01/2021
Application #:
16114376
Filing Dt:
08/28/2018
Publication #:
Pub Dt:
02/28/2019
Title:
DISTRIBUTED MEASUREMENT OF MINIMUM AND MAXIMUM IN-SITU STRESS IN SUBSTRATES
77
Patent #:
Issue Dt:
10/27/2020
Application #:
16185127
Filing Dt:
11/09/2018
Publication #:
Pub Dt:
01/23/2020
Title:
METHODS AND APPARATUS FOR INTERFEROMETRIC INTERROGATION OF AN OPTICAL SENSOR
78
Patent #:
Issue Dt:
07/28/2020
Application #:
16298797
Filing Dt:
03/11/2019
Publication #:
Pub Dt:
09/12/2019
Title:
OVERCOMING RAYLEIGH BACKSCATTER IN WAVELENGTH DIVISION MULTIPLEXED FIBER OPTIC SENSOR SYSTEMS AND FAULT DETECTION IN OPTICAL NETWORKS
79
Patent #:
Issue Dt:
11/03/2020
Application #:
16401337
Filing Dt:
05/02/2019
Publication #:
Pub Dt:
08/22/2019
Title:
SECURITY SWITCH
80
Patent #:
Issue Dt:
03/05/2024
Application #:
17603483
Filing Dt:
10/13/2021
Publication #:
Pub Dt:
06/09/2022
Title:
CALCULATION OF DISTRIBUTED BIREFRINGENCE AND POLARIZATION MODE DISPERSION FROM WAVEGUIDE SCATTER WITH FULL POLARIZATION STATE OPTICAL FREQUENCY DOMAIN REFLECTOMETRY
Assignor
1
Exec Dt:
03/08/2022
Assignee
1
1001 HAXALL POINT, SUITE 706
RICHMOND, VIRGINIA 23219
Correspondence name and address
JOHN LASTOVA / NIXON & VANDERHYE
901 N. GLEBE RD., 11TH FLOOR
ARLINGTON, VA 22203

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