Patent Assignment
Reel/Frame 034736/0311
Assignment of Assignor's Interest
Recorded: 2015-01-16
Pages: 3
Assignor
SUR, KUNAL
Executed: 2013-10-01
Assignees
NORTHWESTERN UNIVERSITY
633 CLARK STREET, EVANSTON, ILLINOIS, 60208
QUIDEL CORPORATION
12544 HIGH BLUFF DRIVE, SUITE 200, SAN DIEGO, CALIFORNIA, 92130
Covered Property
(1)
Device with Controlled Fluid Dynamics, for Isolation of an Analyte from a Sample
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 22, 2013
From: KELSO, DAVID M.; SUR, KUNAL; WESTBERG, TOM; PARPIA, ZAHEER
To: QUIDEL CORPORATION; NORTHWESTERN UNIVERSITY
Reel/Frame 031455/0920 →
Corrective Assignment to Remove the Assignor Kunal Sur and Correct Assignee Name Previously Recorded at Reel: 031455 Frame: 0920. Assignor(S) Hereby Confirms the Assignment.
Jan 16, 2015
From: KELSO, DAVID M.; WESTBERG, TOM; PARPIA, ZAHEER; FISHER, MARK J.
To: NORTHWESTERN UNIVERSITY
Reel/Frame 034979/0640 →
Security Interest
Oct 6, 2017
From: QUIDEL CORPORATION
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 044141/0686 →
Release of Security Interest
May 31, 2022
From: BANK OF AMERICA, N.A.
To: QUIDEL CORPORATION
Reel/Frame 060220/0649 →
Release (Reel 060220 / Frame 0711)
Aug 22, 2025
From: BANK OF AMERICA, N.A.
To: QUIDEL CORPORATION; BIOHELIX CORPORATION; DIAGNOSTIC HYBRIDS, INC.; QUIDEL CARDIOVASCULAR INC.
Reel/Frame 072577/0536 →