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Assignor Name : CHALUS, DAVID FREDERICK
Total Assignments: 4
Assignment: 1
Reel/Frame:042379/0738   Pages: 4
Recorded: 05/15/2017
Attorney Dkt #:16214.195.88.US.U2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KONDUC, KAMERON WAYNE
Exec Dt:
04/06/2016
2
STOIK, RANDY STEVEN
Exec Dt:
04/06/2016
3
KONOWALEC, ROMAN
Exec Dt:
04/06/2016
4
CALLAGHAN, JONATHON DOUGLAS
Exec Dt:
04/06/2016
5
LIU, LI
Exec Dt:
04/06/2016
6
CHALUS, DAVID FREDERICK
Exec Dt:
04/06/2016
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10822924
US20170254181
15451968
Correspondence name and address
WINTHROP & WEINSTINE, P.A.
CAPELLA TOWER, SUITE 3500
225 SOUTH SIXTH STREET
MINNEAPOLIS, MN 55402
Assignment: 2
Reel/Frame:054151/0602   Pages: 5
Recorded: 10/23/2020
Attorney Dkt #:5233.052US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KONDUC, KAMERON WAYNE
Exec Dt:
04/06/2016
2
STOIK, RANDY STEVEN
Exec Dt:
04/06/2016
3
KONOWALEC, ROMAN
Exec Dt:
04/06/2016
4
CALLAGHAN, JONATHON DOUGLAS
Exec Dt:
04/06/2016
5
LIU, LI
Exec Dt:
04/06/2016
6
CHALUS, DAVID FREDERICK
Exec Dt:
04/06/2016
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11549337
US20210025263
16948994
Correspondence name and address
SCHWEGMAN LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 3
Reel/Frame:060063/0572   Pages: 6
Recorded: 05/13/2022
Attorney Dkt #:5233.052US1
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME PREVIOUSLY RECORDED AT REEL: 042379 FRAME: 0738. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT .
Assignors
1
KONDUC, KAMERON WAYNE
Exec Dt:
04/18/2022
2
STOIK, RANDY STEVEN
Exec Dt:
04/18/2022
3
KONOWALEC, ROMAN
Exec Dt:
04/19/2022
4
CALLAGHAN, JONATHON DOUGLAS
Exec Dt:
04/18/2022
5
LIU, LI
Exec Dt:
04/18/2022
6
CHALUS, DAVID FREDERICK
Exec Dt:
04/18/2022
Assignee
1
DRECO ENERGY SERVICES ULC
4300 BANKERS HALL WEST
888 3RD. STREET SW
CALGARY, AB, T2P 5CD, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10822924
US20170254181
15451968
Correspondence name and address
SCHWEGMAN LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 4
Reel/Frame:060063/0615   Pages: 5
Recorded: 05/13/2022
Attorney Dkt #:5233.052US2
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE TO "DRECO ENERGY SERVICES ULC" WHICH WAS INCORRECTLY FILED AS "NATIONAL OILWELL VARCO, L.P." PREVIOUSLY RECORDED AT REEL: 054151 FRAME: 0602. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
KONDUC, KAMERON WAYNE
Exec Dt:
04/18/2022
2
STOIK, RANDY STEVEN
Exec Dt:
04/18/2022
3
KONOWALEC, ROMAN
Exec Dt:
04/19/2022
4
CALLAGHAN, JONATHON DOUGLAS
Exec Dt:
04/18/2022
5
LIU, LI
Exec Dt:
04/18/2022
6
CHALUS, DAVID FREDERICK
Exec Dt:
04/18/2022
Assignee
1
DRECO ENERGY SERVICES ULC
4300 BANKERS HALL WEST
888 3RD. STREET SW
CALGARY, AB, T2P 5CD, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11549337
US20210025263
16948994
Correspondence name and address
SCHWEGMAN LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402

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