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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
10/08/2019
Application #:
15472333
Filing Dt:
03/29/2017
Publication #:
Pub Dt:
07/13/2017
Inventors:
Kenneth Darrel Chelette, Wei Tang
Title:
CONNECTING OIL COUNTRY TUBULAR GOODS
Assignment: 1
Reel/Frame:
045878/0091Recorded: 04/10/2018Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
09/21/2011
Exec Dt:
09/21/2011
Assignee:
600 GRANT STREET
PITTSBURGH, PENNSYLVANIA 15219-2800
Correspondent:
LEECH TISHMAN FUSCALDO & LAMPL
525 WILLIAM PENN PLACE, 28TH FLOOR
PITTSBURGH, PA 15219
Assignment: 2
Reel/Frame:
052790/0364Recorded: 05/29/2020Pages: 9
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
05/29/2020
Exec Dt:
05/29/2020
Assignee:
225 W. STATION SQUARE DRIVE
PITTSBURGH, PENNSYLVANIA 15219
Correspondent:
CORINA MCINTYRE
2475 HANOVER STREET
PALO ALTO, CA 94304
Assignment: 3
Reel/Frame:
055782/0355Recorded: 03/31/2021Pages: 6
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/29/2021
Assignees:
600 GRANT STREET
PITTSBURGH, PENNSYLVANIA 15219-2800
600 GRANT STREET
PITTSBURGH, PENNSYLVANIA 15219-2800
Correspondent:
MILBANK LLP
55 HUDSON YARDS
ATTN: NATHANIEL T. BROWAND
NEW YORK, NY 10001-2163

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