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Trademark Assignment Assignor Details

Assignor Name : OPTX CORPORATION

Total Assignments: 6

Assignment: 1

Reel/Frame:	2461/0513	View Recorded Assignment		Pages:	4
		Recorded:	03/07/2002
Conveyance:	CHANGE OF ASSIGNEE ADDRESS

Assignor

OPTX CORPORATION

Exec Dt:	11/16/2001
Entity Type:	CORPORATION
Citizenship:	CANADA

Assignee

OPTX CORPORATION

SUITE 365

304 INVERNESS WAY SOUTH

ENGLEWOOD, COLORADO 80112-5840

Entity Type:	CORPORATION
Citizenship:	CANADA

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74650412	2217503	75132759	2317460	75491691	2635654	75492694	2635656	76069751	NONE
76069766	NONE	76336331	NONE	76336332	NONE	76336333	NONE	76336334	NONE
76348135	NONE

Correspondence name and address
	DICKSTEIN SHAPIRO MORIN ET AL
	STEPHANIE K. WADE
	2101 L STREET, N.W.
	WASHINGTON, DC 20037

Assignment: 2

Reel/Frame:	2571/0534	View Recorded Assignment		Pages:	8
		Recorded:	08/23/2002
Conveyance:	CORRECTION OF INCORPORATION FROM CANADA TO DELAWARE

Assignor

OPTX CORPORATION

Exec Dt:	11/16/2001
Entity Type:	CORPORATION
Citizenship:	CANADA

Assignee

OPTX CORPORATION

304 INVERNESS WAY SOUTH

SUITE 365

ENGLEWOOD, COLORADO 80112-5840

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74650412	2217503	75132759	2317460	75491691	2635654	75492694	2635656	76069751	NONE
76069766	NONE	76336331	NONE	76336332	NONE	76336333	NONE	76336334	NONE
76348135	NONE

Correspondence name and address
	DICKSTEIN SHAPIRO MORIN & OSHINSKY LLP
	STEPHANIE K. WADE
	2101 L STREET, N.W.
	SUITE 400
	WASHINGTON, D.C. 20037-1526

Assignment: 3

Reel/Frame:	2590/0926	View Recorded Assignment		Pages:	13
		Recorded:	09/26/2002
Conveyance:	SECURITY AGREEMENT

Assignor

OPTX CORPORATION

Exec Dt:	09/06/2002
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

WELLS FARGO BUSINESS CREDIT, INC.

1740 BROADWAY

MAC C7300-210

DENVER, COLORADO 80274

Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74650412	2217503	75132759	2317460	75491691	2635654	75492694	2635656	76069751	NONE
76069766	NONE	76336331	NONE	76336332	NONE	76336333	NONE	76336334	NONE
76348135	NONE

Correspondence name and address
	DORSEY & WHITNEY LLP
	CAROLYN PETERS
	170 SOUTH MAIN STREET, SUITE 900
	SALT LAKE CITY, UTAH 84101

Assignment: 4

Reel/Frame:	2887/0686	View Recorded Assignment		Pages:	4
		Recorded:	07/07/2004
Conveyance:	CHANGE OF NAME

Assignor

OPTX CORPORATION

Exec Dt:	03/24/2004
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

COH HOLDINGS (US) INC.

304 INVERNESS WAY SOUTH

SUITE 365

ENGLEWOOD, COLORADO 80112

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74650412	2217503	75132759	2317460	75491691	2635654	75492694	2635656	76069751	NONE
76069766	NONE	76336331	NONE	76336333	NONE	76336334	NONE	76348135	NONE
76975960	2799045

Correspondence name and address
	TOMLINSON ZISKO LLP
	200 PAGE MILL ROAD
	PALO ALTO, CA 94306

Assignment: 5

Reel/Frame:	3010/0913	View Recorded Assignment		Pages:	9
		Recorded:	01/14/2005
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

OPTX CORPORATION

Exec Dt:	03/25/2004
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

VARIAN MEDICAL SYSTEMS, INC.

3100 HANSEN WAY

PALO ALTO, CALIFORNIA 94304

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74650412	2217503	75491691	2635654	75492694	2635656	76069751	NONE	76336331	NONE
76336334	NONE	76348135	NONE	76975960	2799045

Correspondence name and address
	KELLY PHAIR MCCARTHY
	TOMLINSON ZISKO LLP
	200 PAGE MILL ROAD
	PALO ALTO, CA 94306

Assignment: 6

Reel/Frame:	2825/0424	View Recorded Assignment		Pages:	6
		Recorded:	04/01/2004
Conveyance:	TERMINATION AND RELEASE OF PATENT AND TRADEMARK SECURITY AGREEMENT

Assignor

OPTX CORPORATION

Exec Dt:	03/26/2004
Entity Type:	CORPORATION
Citizenship:	NONE

Assignee

WELLS FARGO BUSINESS CREDIT, INC.

1740 BROADWAY

MAC C7300-210

DENVER, COLORADO 80274

Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74650412	2217503	75132759	2317460	75491691	2635654	75492694	2635656	76069751	NONE
76069766	NONE	76336331	NONE	76336332	NONE	76336333	NONE	76336334	NONE
76348135	NONE

Correspondence name and address
	DORSEY & WHITNEY LLP
	LINDA M. ZIMMERMANN
	170 S. MAIN STREET
	SUITE 900
	SALT LAKE, UT 84101

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