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Patent Assignment Assignor Details
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Assignor Name : DRUMHELLER, DOUGLAS S.
Total Assignments: 14
Assignment: 1
Reel/Frame:005522/0692   Pages: 3
Recorded: 11/27/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRUMHELLER, DOUGLAS S.
Exec Dt:
11/20/1990
Assignee
1
TELECO OILFIELD SERVICES INC., A CORP. OF DELAWARE
MERIDEN,, CONNECTICUT 06450
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5056067
NONE
07619172
Correspondence name and address
FISHMAN, DIONNE & CANTOR
88 DAY HILL ROAD
WINDSOR, CT 06095
Assignment: 2
Reel/Frame:007651/0152   Pages: 3
Recorded: 08/30/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DRUMHELLER, DOUGLAS S.
Exec Dt:
09/08/1994
Assignee
1
ENERGY, UNITED STATES OF AMERICA, THE
GC-62, MS 6F-067 (FORSTL)
1000 INDEPENDENCE AVENUE, S.W.
WASHINGTON, DISTRICT OF COLUMBIA 20585
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5477505
NONE
08304012
Correspondence name and address
UNITED STATES DEPARTMENT OF ENERGY
BETTY A. WINCHESTER
1000 INDEPENDENCE AVE., SW
GC-62, MS 6F-067 (FORSTL)
WASHINGTON, DC 20585
Assignment: 3
Reel/Frame:008035/0914   Pages: 4
Recorded: 07/16/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DRUMHELLER, DOUGLAS S.
Exec Dt:
03/21/1996
Assignee
1
DEPARTMENT OF ENERGY, UNITED STATES OF AMERICA
GC-62, MS 6F-067 (FORSTL)
1000 INDEPENDENCE AVENUE, S.W.
WASHINGTON, DISTRICT OF COLUMBIA 20585
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5703836
NONE
08620057
Correspondence name and address
UNITED STATES DEPARTMENT OF ENERGY
BETTY WINCHESTER
GC-62, MS 6F-067 (FORSTL)
1000 INDEPENDENCE AVENUE, S.W.
WASHINGTON, D.C. 20585
Assignment: 4
Reel/Frame:009994/0447   Pages: 3
Recorded: 06/01/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DRUMHELLER, DOUGLAS S.
Exec Dt:
05/05/1999
Assignee
1
SANDIA CORPORATION
PATENT & LICENSING, 11500
P.O. BOX 5800, MAIL STOP - 0161
ALBUQUERQUE, NEW MEXICO 87185
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6147932
NONE
09307266
Correspondence name and address
SANDIA NATIONAL LABORATORIES
TIMOTHY D. STANLEY
PATENT & LICENSING, 11500
P.O. BOX 5800
ALBUQUERQUE, NM 87185-0161
Assignment: 5
Reel/Frame:010041/0811   Pages: 3
Recorded: 06/21/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DRUMHELLER, DOUGLAS S.
Exec Dt:
05/05/1999
Assignee
1
SANDIA CORPORATION
P.O. BOX 5800
MAIL STOP 0161
ALBUQUERQUE, NEW MEXICO 87185
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6188647
NONE
09306672
Correspondence name and address
SANDIA NATIONAL LABORATORIES
TIMOTHY D. STANLEY
MAIL STOP 0161
P.O. BOX 5800
ALBUQUERQUE, NM 87185-0161
Assignment: 6
Reel/Frame:012443/0522   Pages: 3
Recorded: 01/07/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DRUMHELLER, DOUGLAS S.
Exec Dt:
06/06/2001
Assignee
1
SANDIA CORPORATION
P.O. BOX 5800 M/S 0161
ALBUQUERQUE, NEW MEXICO 87185
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6791470
NONE
09872907
Correspondence name and address
SANDIA NATIONAL LABORATORIES
ELIZABETH D. KRAUSS
PATENT & LICENSING, 11500
MAIL STOP 0161 P.O. BOX 5800
ALBUQUERQUE, NM 87185-0161
Assignment: 7
Reel/Frame:019585/0569   Pages: 5
Recorded: 07/20/2007
Attorney Dkt #:3435-78419-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAMWELL, PAUL L.
Exec Dt:
05/17/2007
2
NEFF, JAMES M.
Exec Dt:
05/17/2007
3
DRUMHELLER, DOUGLAS S.
Exec Dt:
06/15/2007
Assignee
1
XACT DOWNHOLE TELEMETRY INC.
BAY 14, 5925 - 12TH STREET S.E.
CALGARY, ALBERTA, CANADA T2H 2M3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7928861
US20070258326
11786646
Correspondence name and address
JEFFREY B. HAENDLER
121 SW SALMON STREET
ONE WORLD TRADE CENTER, SUITE 1600
PORTLAND, OR 97204
Assignment: 8
Reel/Frame:026105/0894   Pages: 4
Recorded: 04/11/2011
Attorney Dkt #:3435-78419-02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAMWELL, PAUL L.
Exec Dt:
05/17/2007
2
NEFF, JAMES M.
Exec Dt:
05/17/2007
3
DRUMHELLER, DOUGLAS S.
Exec Dt:
06/15/2007
Assignee
1
XACT DOWNHOLE TELEMETRY INC.
926 55TH AVENUE NE
CALGARY, ALBERTA, CANADA T2E 6Y4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8823543
US20110163889
13046574
Correspondence name and address
JEFFREY HAENDLER, KLARQUIST SPARKMAN LLP
121 SW SALMON STREET, SUITE 1600
ONE WORLD TRADE CENTER
PORTLAND, OR 97204-2988
Assignment: 9
Reel/Frame:020788/0597   Pages: 5
Recorded: 04/07/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRUMHELLER, DOUGLAS S.
Exec Dt:
12/12/2007
2
CAMWELL, PAUL L
Exec Dt:
12/12/2007
3
DOPF, ANTHONY R.
Exec Dt:
12/12/2007
4
LOGAN, DEREK W.
Exec Dt:
12/12/2007
Assignee
1
XACT DOWNHOLE TELEMETRY INC.
BAY 14, 5925-12TH STREET S.E.
CALGARY, ALBERTA, CANADA T2H 2M3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070153629
11606818
Correspondence name and address
BRIAN Y. LEE
GOWLING LAFLEUR HENDERSON LLP
1055 DUNSMUIR STREET, #2300
VANCOUVER, BC V7X 1J1
Assignment: 10
Reel/Frame:023899/0818   Pages: 5
Recorded: 02/04/2010
Attorney Dkt #:4290NP XACT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAMWELL, PAUL L.
Exec Dt:
02/01/2010
2
WHALEN, DAVID D.
Exec Dt:
02/01/2010
3
DRUMHELLER, DOUGLAS S.
Exec Dt:
02/03/2010
Assignee
1
XACT DOWNHOLE TELEMETRY, INC.
926 - 55 AVE. N.E.
CALGARY, AB, CANADA T2E 6Y4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8437220
US20100195441
12697938
Correspondence name and address
LAW OFFICE OF MARK BROWN, LLC
4700 BELLEVIEW, SUITE 210
KANSAS CITY, MO 64112
Assignment: 11
Reel/Frame:024061/0397   Pages: 7
Recorded: 03/10/2010
Attorney Dkt #:3435-81346-02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRUMHELLER, DOUGLAS S.
Exec Dt:
02/16/2010
2
CAMWELL, PAUL L.
Exec Dt:
02/11/2010
3
DOPF, ANTHONY R.
Exec Dt:
02/13/2010
4
LOGAN, DEREK W.
Exec Dt:
02/12/2010
Assignee
1
XACT DOWNHOLE TELEMETRY INC.
930 55TH AVENUE NE
CALGARY, ALBERTA, CANADA T2E 6Y4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8270251
US20100157741
12645353
Correspondence name and address
JEFFREY B. HAENDLER
121 SW SALMON STREET
ONE WORLD TRADE CENTER, SUITE 1600
PORTLAND, OR 97204
Assignment: 12
Reel/Frame:023996/0562   Pages: 6
Recorded: 02/26/2010
Attorney Dkt #:4289NP XACT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAMWELL, PAUL L.
Exec Dt:
02/23/2010
2
WHALEN, DAVID D.
Exec Dt:
02/23/2010
3
DRUMHELLER, DOUGLAS S.
Exec Dt:
02/25/2010
Assignee
1
XACT DOWNHOLE TELEMETRY, INC.
930 - 55 AVE. N.E.
CALGARY, AB, CANADA T2E 6Y4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8982667
US20100208552
12705346
Correspondence name and address
LAW OFFICE OF MARK BROWN, LLC
4700 BELLEVIEW SUITE 210
KANSAS CITY, MO 64112
Assignment: 13
Reel/Frame:035472/0684   Pages: 6
Recorded: 04/22/2015
Attorney Dkt #:4289.1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAMWELL, PAUL L.
Exec Dt:
03/15/2015
2
WHALEN, DAVID D.
Exec Dt:
03/18/2015
3
DRUMHELLER, DOUGLAS S.
Exec Dt:
03/18/2015
Assignee
1
XACT DOWNHOLE TELEMETRY, INC.
906 - 55 AVE. N.E.
CALGARY, CANADA T2E 6Y4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9458712
US20150192010
14660833
Correspondence name and address
MARK BROWN
LAW OFFICE OF MARK BROWN, LLC
7225 RENNER RD, SUITE 201
SHAWNEE, KS 66217
Assignment: 14
Reel/Frame:037589/0436   Pages: 3
Recorded: 01/26/2016
Attorney Dkt #:3435-95752-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAMWELL, PAUL
Exec Dt:
04/15/2013
2
DRUMHELLER, DOUGLAS S.
Exec Dt:
11/20/2015
Assignee
1
XACT DOWNHOLE TELEMETRY INC.
906 55 AVENUE NE
CALGARY, ALBERTA, CANADA T2E 6Y4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10408050
US20160024913
14775477
Correspondence name and address
JEFFREY HAENDLER, KLARQUIST SPARKMAN LLP
121 SW SALMON STREET, SUITE 1600
ONE WORLD TRADE CENTER
PORTLAND, OR 97204-2988

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