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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
12/15/2020
Application #:
15928413
Filing Dt:
03/22/2018
Publication #:
Pub Dt:
02/28/2019
Inventors:
Arndt Poecher, Gerald M. Bark, Rajagopala Menon
Title:
SYSTEM AND APPARATUS FOR USING A WIRELESS SMART DEVICE TO PERFORM FIELD CALCULATIONS
Assignment: 1
Reel/Frame:
052426/0776Recorded: 04/17/2020Pages: 14
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
03/07/2008
Exec Dt:
07/02/2013
Exec Dt:
04/29/2013
Assignee:
500 CARDIGAN ROAD
ST. PAUL, MINNESOTA 55126
Correspondent:
KAGAN BINDER PLLC
221 MAIN STREET NORTH
SUITE 200
STILLWATER, MN 55082
Assignment: 2
Reel/Frame:
059746/0428Recorded: 04/21/2022Pages: 41
Conveyance:
AMENDED AND RESTATED PATENT, TRADEMARK AND COPYRIGHT SECURITY AGREEMENT
Assignors:
Exec Dt:
10/06/2016
Exec Dt:
10/06/2016
Exec Dt:
10/06/2016
Exec Dt:
10/06/2016
Exec Dt:
10/06/2016
Exec Dt:
10/06/2016
Assignee:
500 FIRST AVENUE
PITTSBURGH, PENNSYLVANIA 15219
Correspondent:
MICHAEL L. DEVER
SUITE 200
501 GRANT STREET
PITTSBURGH, PA 15219

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