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Patent Assignment Assignor Details
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Assignor Name : LARRONDE, MICHAEL L.
Total Assignments: 9
Assignment: 1
Reel/Frame:004090/0196   Pages: 1
Recorded: 01/27/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LARRONDE, MICHAEL L.
Exec Dt:
01/10/1983
2
HOOS, ROBERT G.
Exec Dt:
01/10/1983
Assignee
1
NL INDUSTRIES, INC., A CORP. OF NJ
1230 AVENUE OF THE AMERICAS,
NEW YORK,, NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4531579
NONE
06461649
Correspondence name and address
WALTER R. BROOKHART
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 2
Reel/Frame:004110/0559   Pages: 2
Recorded: 03/31/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LARRONDE, MICHAEL L.
Exec Dt:
01/12/1983
2
KALSI, MANMOHAN S.
Exec Dt:
01/26/1983
3
RAO, MANNIGE V.
Exec Dt:
01/13/1983
Assignee
1
NL INDUSTRIES, INC., A CORP OF NJ.
1230 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4790393
NONE
06460461
Correspondence name and address
WALTER R. BROOKHART
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
STE. 1800, 5718 WESTHEIMER
HOUSTON, TX 77057
Assignment: 3
Reel/Frame:004276/0266   Pages: 1
Recorded: 05/17/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LARRONDE, MICHAEL L.
Exec Dt:
05/11/1984
Assignee
1
NL INDUSTRIES, INC., 1230 AVENUE OF THE AMERICAS, NEW YORK, NY A CORP.
NEW JERSEY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4630244
NONE
06595324
Correspondence name and address
WALTER R. BROOKHART
BROWNING, BUSHMAN, ZAMECKI
& ANDERSON, 5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 4
Reel/Frame:009896/0865   Pages: 5
Recorded: 04/06/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRAMMER, MANFRED G.
Exec Dt:
03/08/1999
2
DUDLEY, JAMES H.
Exec Dt:
03/08/1999
3
MAZAK, PETER
Exec Dt:
03/08/1999
4
GOODMAN, GEORGE D.
Exec Dt:
03/08/1999
5
MORYS, MARIAN
Exec Dt:
03/08/1999
6
JONES, DALE A.
Exec Dt:
03/15/1999
7
BARTEL, ROGER P.
Exec Dt:
03/15/1999
8
CHEN, CHEN-KANG DAVID
Exec Dt:
03/15/1999
9
LARRONDE, MICHAEL L.
Exec Dt:
03/15/1999
10
RODNEY, PAUL F.
Exec Dt:
03/15/1999
11
SMAARDYK, JOHN E.
Exec Dt:
03/15/1999
Assignee
1
NUMAR CORPORATION
508 LAPP ROAD
MALVERN, PENNSYLVANIA 19355
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6268726
NONE
09232072
Correspondence name and address
PENNIE & EDMONDS LLP
FRANCIS E. MORRIS
1155 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 5
Reel/Frame:012049/0478   Pages: 5
Recorded: 07/31/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRAMMER, MANFRED G.
Exec Dt:
03/08/1999
2
DUDLEY, JAMES H.
Exec Dt:
03/08/1999
3
MASAK, PETER
Exec Dt:
03/08/1999
4
GOODMAN, GEORGE D.
Exec Dt:
03/08/1999
5
MORYS, MARIAN
Exec Dt:
03/08/1999
6
JONES, DALE A.
Exec Dt:
03/15/1999
7
BARTEL, ROGER P.
Exec Dt:
03/15/1999
8
CHEN, CHEN-KANG DAVID
Exec Dt:
03/15/1999
9
LARRONDE, MICHAEL L.
Exec Dt:
03/15/1999
10
RODNEY, PAUL F.
Exec Dt:
03/15/1999
11
SMAARDYK, JOHN E.
Exec Dt:
03/15/1999
Assignee
1
NUMAR CORPORATION
508 LAPP ROAD
MALVERN, PENNSYLVANIA 19355
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6362619
US20010045829
09919129
Correspondence name and address
PENNIE & EDMONDS LLP
FRANCIS E. MORRIS
1155 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 6
Reel/Frame:013806/0416   Pages: 3
Recorded: 10/03/2002
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE ASSIGNOR. DOCUMENT PREVIOUSLY RECORDED AT REEL 013348 FRAME 0222.
Assignor
1
LARRONDE, MICHAEL L.
Exec Dt:
08/15/2001
Assignee
1
COMPUTALOG LIMITED
4500, 150-6TH AVENUE S.W.
CALGARY, ALBERTA T2P 3Y7, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6585061
US20030070844
09976129
Correspondence name and address
MARK A. OATHOUT
3730 KIRBY DRIVE
STE. 830
HOUSTON, TX 77098
Assignment: 7
Reel/Frame:025138/0087   Pages: 4
Recorded: 10/14/2010
Attorney Dkt #:135-0013USD1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KONSCHUH, CHRISTOPHER W.
Exec Dt:
07/29/2005
2
LARRONDE, MICHAEL L.
Exec Dt:
07/29/2005
3
THOMPSON, LARRY W.
Exec Dt:
07/29/2005
4
WISLER, MACMILLAN M.
Exec Dt:
07/29/2005
Assignee
1
PRECISION ENERGY SERVICES, LTD.
4200, 150-6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3Y7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8011425
US20110024190
12904301
Correspondence name and address
(WEATHERFORD) WONG CABELLO LUTSCH RUTHER
20333 TOMBALL PARKWAY, 6TH FLOOR
HOUSTON, TX 77070
Assignment: 8
Reel/Frame:025138/0897   Pages: 4
Recorded: 10/14/2010
Attorney Dkt #:135-0013USD
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KONSCHUH, CHRISTOPHER W.
Exec Dt:
07/29/2005
2
LARRONDE, MICHAEL L.
Exec Dt:
07/29/2005
3
THOMPSON, LARRY W.
Exec Dt:
07/29/2005
4
WISLER, MACMILLAN M.
Exec Dt:
07/29/2005
Assignee
1
PRECISON ENERGY SERVICES, LTD.
4200, 150-6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3Y7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080060847
11937951
Correspondence name and address
(WEATHERFORD) WONG CABELLO LUTSCH RUTHER
20333 TOMBALL PARKWAY, 6TH FLOOR
HOUSTON, TX 77070
Assignment: 9
Reel/Frame:026655/0766   Pages: 3
Recorded: 07/27/2011
Attorney Dkt #:135-0013USD2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KONSCHUH, CHRISTOPHER W.
Exec Dt:
07/29/2005
2
LARRONDE, MICHAEL L.
Exec Dt:
07/29/2005
3
THOMPSON, LARRY W.
Exec Dt:
07/29/2005
4
WISLER, MACMILLAN M.
Exec Dt:
07/29/2005
Assignee
1
PRECISION ENERGY SERVICES, LTD.
4200, 150-6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3Y7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8191628
US20110278066
13191577
Correspondence name and address
(WEATHERFORD) WONG CABELLO LUTSCH RUTHER
20333 TOMBALL PARKWAY, 6TH FLOOR
HOUSTON, TX 77070

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