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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
01/20/2015
Application #:
13010609
Filing Dt:
01/20/2011
Publication #:
Pub Dt:
07/28/2011
Inventor:
John L. Burba III
Title:
HYDROMETALLURGICAL PROCESS AND METHOD FOR RECOVERING METALS
Assignment: 1
Reel/Frame:
026055/0911Recorded: 03/31/2011Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/22/2011
Assignee:
5619 DENVER TECH CENTER PARKWAY
GREENWOOD VILLAGE, COLORADO 80111
Correspondent:
DOUGLAS W. SWARTZ/SHERIDAN ROSS P.C.
1560 BROADWAY
DENVER, CO 80202-5141
Assignment: 2
Reel/Frame:
028355/0440Recorded: 06/11/2012Pages: 17
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
06/11/2012
Assignee:
230 WEST MONROE STREET
SUITE 2900
CHICAGO, ILLINOIS 60606
Correspondent:
THOMAS FAHEY
1100 G STREET NW, SUITE 420
NATIONAL CORPORATE RESEARCH, LTD.
WASHINGTON, DC 20005
Assignment: 3
Reel/Frame:
038340/0265Recorded: 04/21/2016Pages: 12
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/15/2016
Exec Dt:
04/15/2016
Exec Dt:
04/15/2016
Exec Dt:
04/15/2016
Assignee:
900 N. MICHIGAN AVENUE
SUITE 1340
CHICAGO, ILLINOIS 60611
Correspondent:
DUSAN CLARK, ESQ.
SIDLEY AUSTIN LLP
2001 ROSS AVENUE, SUITE 3600
DALLAS, TX 75201
Assignment: 4
Reel/Frame:
038596/0138Recorded: 05/03/2016Pages: 14
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S ADDRESS PREVIOUSLY RECORDED ON REEL 038340 FRAME 0265. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors:
Exec Dt:
04/15/2016
Exec Dt:
04/15/2016
Exec Dt:
04/15/2016
Exec Dt:
04/15/2016
Assignee:
900 N. MICHIGAN AVENUE
SUITE 1700
CHICAGO, ILLINOIS 60611
Correspondent:
DUSAN CLARK, ESQ.
SIDLEY AUSTIN LLP
2001 ROSS AVENUE, SUITE 3600
DALLAS, TX 75201

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