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Patent Assignment Details
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Reel/Frame:030357/0293   Pages: 3
Recorded: 05/06/2013
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
NONE
Issue Dt:
Application #:
13050123
Filing Dt:
03/17/2011
Publication #:
Pub Dt:
09/22/2011
Title:
SYSTEM AND METHODS OF DETERMINING COMPUTATIONAL PUZZLE DIFFICULTY FOR CHALLENGE-RESPONSE AUTHENTICATION
Assignor
1
Exec Dt:
04/25/2013
Assignee
1
1721 SW BROADWAY
PORTLAND, OREGON 97207-0751
Correspondence name and address
PORTLAND STATE UNIVERSITY / KELLY COOPER
1600 SW 4TH AVENUE, SUITE 620
PORTLAND, OR 97201

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