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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
04/26/2011
Application #:
12187827
Filing Dt:
08/07/2008
Publication #:
Pub Dt:
02/12/2009
Inventors:
Xiaoliang Wang, Jugal Agarwal, George John Chancellor, James Evenstad
Title:
SIZE SEGREGATED AEROSOL MASS CONCENTRATION MEASUREMENT DEVICE
Assignment: 1
Reel/Frame:
021708/0464Recorded: 10/20/2008Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
08/20/2008
Exec Dt:
08/20/2008
Exec Dt:
08/20/2008
Exec Dt:
08/20/2008
Assignee:
500 CARDIGAN ROAD
SHOREVIEW, MINNESOTA 55126
Correspondent:
JAMES H. PATTERSON
80 SOUTH EIGHTH STREET
4800 IDS CENTER
MINNEAPOLIS, MN 55402
Assignment: 2
Reel/Frame:
029169/0775Recorded: 10/22/2012Pages: 25
Conveyance:
SECURITY AGREEMENT
Assignors:
Exec Dt:
06/20/2012
Exec Dt:
06/20/2012
Exec Dt:
06/20/2012
Assignee:
249 FIFTH AVENUE
PITTSBURGH, PENNSYLVANIA 15222
Correspondent:
MICHAEL L. DEVER
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219

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