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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
08/09/2011
Application #:
12609692
Filing Dt:
10/30/2009
Publication #:
Pub Dt:
05/05/2011
Inventors:
William A. Wojtczak, Sian Collins
Title:
SELECTIVE SILICON ETCH PROCESS
Assignment: 1
Reel/Frame:
023542/0453Recorded: 11/19/2009Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
10/31/2009
Exec Dt:
11/06/2009
Assignee:
821 EAST WOODWARD STREET
AUSTIN, TEXAS 78704
Correspondent:
THOMAS W. ADAMS
1621 EUCLID AVENUE
19TH FLOOR
CLEVELAND, OH 44115
Assignment: 2
Reel/Frame:
024555/0963Recorded: 06/18/2010Pages: 32
Conveyance:
SECURITY AGREEMENT
Assignors:
Exec Dt:
06/17/2010
Exec Dt:
06/17/2010
Assignee:
249 FIFTH AVENUE
PITTSBURGH, PENNSYLVANIA 15222
Correspondent:
MICHAEL L. DEVER
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219

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