skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : SLADIC, JOHN S.
Total Assignments: 12
Assignment: 1
Reel/Frame:026358/0805   Pages: 3
Recorded: 05/31/2011
Attorney Dkt #:205-0277US (5465-US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SLADIC, JOHN S.
Exec Dt:
05/25/2011
2
STERNAMAN, BRIAN
Exec Dt:
05/25/2011
3
HALL, CHRISTOPHER
Exec Dt:
05/25/2011
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD
SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9027642
US20120298356
13115677
Correspondence name and address
(WEATHERFORD) WONG CABELLO LUTSCH RUTHER
20333 TOMBALL PARKWAY, 6TH FLOOR
HOUSTON, TX 77070
Assignment: 2
Reel/Frame:028299/0132   Pages: 5
Recorded: 05/31/2012
Attorney Dkt #:5567US (205-0336US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCNAMEE, STEPHEN
Exec Dt:
05/31/2012
2
SLADIC, JOHN S.
Exec Dt:
05/23/2012
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9725985
US20130319664
13485463
Correspondence name and address
(WEATHERFORD) WONG CABELLO LUTSCH RUTHER
20333 TOMBALL PARKWAY, 6TH FLOOR
HOUSTON, TX 77070
Assignment: 3
Reel/Frame:032304/0913   Pages: 8
Recorded: 02/26/2014
Attorney Dkt #:205-0430US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SLADIC, JOHN S.
Exec Dt:
02/21/2014
2
MCNAMEE, STEPHEN
Exec Dt:
02/25/2014
3
BROUSSARD, JOHN
Exec Dt:
02/26/2014
4
HALL, CHRISTOPHER A.
Exec Dt:
02/25/2014
5
SIMONDS, FLOYD R.
Exec Dt:
02/21/2014
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9677383
US20140238657
14190818
Correspondence name and address
(WEATHERFORD) WONG CABELLO LUTSCH RUTHER
20333 TOMBALL PARKWAY, 6TH FLOOR
HOUSTON, TX 77070
Assignment: 4
Reel/Frame:036425/0251   Pages: 6
Recorded: 08/26/2015
Attorney Dkt #:205-0315US/302050-51001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SLADIC, JOHN S.
Exec Dt:
02/17/2015
2
MCNAMEE, STEPHEN
Exec Dt:
02/18/2015
3
REID, STEPHEN
Exec Dt:
02/17/2015
4
MCGEOCH, ANDREW
Exec Dt:
02/17/2015
5
PURKIS, DANIEL GEORGE
Exec Dt:
05/07/2015
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9945211
US20150226040
14602438
Correspondence name and address
WEATHERFORD/PRECISION C/O BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 5
Reel/Frame:039177/0173   Pages: 8
Recorded: 07/18/2016
Attorney Dkt #:205-0631US (6180-US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HODGE, ROBERT F.
Exec Dt:
07/14/2016
2
MCNAMEE, STEPHEN
Exec Dt:
07/16/2016
3
SLADIC, JOHN S.
Exec Dt:
07/14/2016
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST JAMES PL
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10072482
US20170022789
15212528
Correspondence name and address
WEATHERFORD/PRECISION C/O BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 6
Reel/Frame:043767/0210   Pages: 8
Recorded: 10/03/2017
Attorney Dkt #:205-0576US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAY, PAUL
Exec Dt:
03/10/2017
2
SIMONDS, FLOYD R.
Exec Dt:
09/14/2017
3
SLADIC, JOHN S.
Exec Dt:
09/14/2017
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9938802
US20160222767
15014256
Correspondence name and address
WEATHERFORD/PRECISION C/O BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 7
Reel/Frame:043752/0899   Pages: 6
Recorded: 10/02/2017
Attorney Dkt #:205-0545US (6068-US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SLADIC, JOHN S.
Exec Dt:
09/19/2017
2
FRANKLIN, ANDREW J.
Exec Dt:
02/15/2017
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST JAMES PL
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10215003
US20160281476
15078812
Correspondence name and address
WEATHERFORD/PRECISION C/O BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 8
Reel/Frame:048291/0564   Pages: 5
Recorded: 02/11/2019
Attorney Dkt #:205-0545USD
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SLADIC, JOHN S.
Exec Dt:
09/19/2017
2
FRANKLIN, ANDREW J.
Exec Dt:
02/15/2017
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST JAMES PL
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190178062
16272056
Correspondence name and address
WEATHERFORD/PRECISION C/O BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 9
Reel/Frame:045554/0226   Pages: 8
Recorded: 04/16/2018
Attorney Dkt #:205-0679USCIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SESSA, MICHAEL J
Exec Dt:
04/16/2018
2
MCNAMEE, STEPHEN
Exec Dt:
04/10/2018
3
SLADIC, JOHN S.
Exec Dt:
04/12/2018
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST JAMES PL
HOUSTON, TEXAS 77056
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
10465485
US20190145231
15814522
 
10711579
US20190145232
15954129
Correspondence name and address
WEATHERFORD/PRECISION C/O BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002
Assignment: 10
Reel/Frame:049544/0796   Pages: 3
Recorded: 06/20/2019
Attorney Dkt #:WFT-6571-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SLADIC, JOHN S.
Exec Dt:
06/03/2019
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10982507
US20200370395
16417399
Correspondence name and address
SMITH IP SERVICES, P.C.
P.O. BOX 997
ROCKWALL, TX 75087
Assignment: 11
Reel/Frame:055660/0320   Pages: 3
Recorded: 03/20/2021
Attorney Dkt #:WFT-6571-US-DV1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SLADIC, JOHN S.
Exec Dt:
06/03/2019
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11634968
US20210207453
17207606
Correspondence name and address
SMITH IP SERVICES, P.C.
P.O. BOX 997
ROCKWALL, TX 75087
Assignment: 12
Reel/Frame:060710/0436   Pages: 4
Recorded: 08/03/2022
Attorney Dkt #:205-0754US (6616-US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SLADIC, JOHN S.
Exec Dt:
08/03/2022
2
MCNAMEE, STEPHEN
Exec Dt:
04/16/2020
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210324712
16854517
Correspondence name and address
WEATHERFORD/PRECISION C/O BLANK ROME LLP
717 TEXAS AVENUE, SUITE 1400
HOUSTON, TX 77002

Search Results as of: 05/15/2024 06:55 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT