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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
Issue Dt:
07/04/1995
Application #:
07992559
Filing Dt:
12/18/1992
Inventors:
FRANCESCO E. DE ANGELIS, MICHAEL R. DAVISON, DAVID K. LEIGH
Title:
AUTOMATED METHOD AND APPARATUS FOR CALIBRATION OF LASER SCANNING IN A SELECTIVE LASER SINTERING APPARATUS
Assignment: 1
Reel/Frame:
006437/0480Recorded: 03/01/1993Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
02/04/1993
Exec Dt:
02/17/1993
Exec Dt:
02/08/1993
Assignee:
1611 HEADWAY CIRCLE, BLDG. 2
AUSTIN, TEXAS 78754
Correspondent:
RODNEY M. ANDERSON
2500 FIRST CITY TOWER
1001 FANNIN STREET
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:
010024/0393Recorded: 06/11/1999Pages: 35
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/11/1998
Assignee:
3003 TASMAN DRIVE
SANTA CLARA, CALIFORNIA 95054
Correspondent:
LEVY, SMALL & LALLAS
SEBASTIAN CAMUA
815 MORAGA DRIVE
LOS ANGELES, CA 90049
Assignment: 3
Reel/Frame:
010043/0704Recorded: 06/24/1999Pages: 39
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
06/08/1999
Assignee:
3003 TASMAN DRIVE
SANTA CLARA, CALIFORNIA 95054
Correspondent:
LEVY, SMALL & LALLAS
SEBASTIAN CAMUA
815 MORAGA DRIVE
LOS ANGELES, CA 90049
Assignment: 4
Reel/Frame:
013305/0224Recorded: 09/20/2002Pages: 9
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/29/2001
Assignee:
26081 AVENUE HALL
VALENCIA, CALIFORNIA 91355
Correspondent:
3D SYSTEMS, INC.
RALPH D'ALESSANDRO
26081 AVENUE HALL
VALENCIA, CA 91355
Assignment: 5
Reel/Frame:
013169/0931Recorded: 08/12/2002Pages: 2
Conveyance:
RELEASE
Assignor:
Exec Dt:
08/02/2002
Assignee:
1611 HEADWAY CIRCLE BLDG 2
AUSTIN, TEXAS 78754
Correspondent:
SILICON VALLEY BANK
MARIBEL ARTETGA
3003 TASMAN DR.
SANTA CLARA, CA 95054

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