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 : HELDEBRANT, DAVID J.
Total Assignments: 18
Assignment: 1
Reel/Frame:022180/0299   Pages: 6
Recorded: 01/30/2009
Attorney Dkt #:52007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/27/2009
2
Exec Dt:
01/27/2009
Assignee
1
P.O. BOX 999
K1-53
RICHLAND, WASHINGTON 99352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12360717
Correspondence name and address
DEREK H. MAUGHAN
P.O. BOX 999
K1-53
RICHLAND, WA 99352
Assignment: 2
Reel/Frame:022631/0675   Pages: 9
Recorded: 05/04/2009
Attorney Dkt #:52007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/23/2009
2
Exec Dt:
04/23/2009
3
Exec Dt:
04/23/2009
Assignee
1
P.O. BOX 999
K1-53
RICHLAND, WASHINGTON 99352
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
12360717
 
12427851
Correspondence name and address
DEREK H. MAUGHAN
P.O. BOX 999
K1-53
RICHLAND, WA 99352
Assignment: 3
Reel/Frame:022614/0160   Pages: 9
Recorded: 04/29/2009
Attorney Dkt #:54569
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/28/2009
2
Exec Dt:
04/28/2009
3
Exec Dt:
04/28/2009
4
Exec Dt:
04/28/2009
5
Exec Dt:
04/28/2009
Assignee
1
P.O. BOX 999
K1-53
RICHLAND, WASHINGTON 99352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12431496
Correspondence name and address
JAMES D. MATHESON
P.O. BOX 999
K1-53
RICHLAND, WA 99352
Assignment: 4
Reel/Frame:025003/0434   Pages: 11
Recorded: 09/17/2010
Attorney Dkt #:52007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/08/2010
2
Exec Dt:
09/08/2010
3
Exec Dt:
09/08/2010
4
Exec Dt:
09/09/2010
5
Exec Dt:
09/10/2010
6
Exec Dt:
09/08/2010
Assignee
1
P.O. BOX 999, K1-53
RICHLAND, WASHINGTON 99352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12879579
Correspondence name and address
DEREK H. MAUGHAN
P.O. BOX 999, K1-53
RICHLAND, WA 99352
Assignment: 5
Reel/Frame:025672/0025   Pages: 10
Recorded: 01/20/2011
Attorney Dkt #:54,569
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/17/2010
2
Exec Dt:
01/17/2011
3
Exec Dt:
01/10/2011
4
Exec Dt:
12/17/2010
5
Exec Dt:
01/17/2011
Assignee
1
P.O. BOX 999, K1-53
RICHLAND, WASHINGTON 99352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12972125
Correspondence name and address
JAMES D. MATHESON
P.O. BOX 999, K1-53
RICHLAND, WA 99352
Assignment: 6
Reel/Frame:027185/0984   Pages: 3
Recorded: 11/07/2011
Attorney Dkt #:2006-017-04US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
02/03/2011
Assignee
1
QUEEN'S UNIVERSITY
KINGSTON, ON, CANADA K7L 3N6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13172090
Correspondence name and address
NANCY MCINTYRE
QUEEN'S UNIVERSITY
KINGSTON, K7L 3N6 CANADA
Assignment: 7
Reel/Frame:031067/0239   Pages: 3
Recorded: 08/23/2013
Attorney Dkt #:2006-017-05US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
02/03/2011
Assignee
1
QUEEN'S UNIVERSITY
KINGSTON, ON, CANADA K7L 3N6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13969984
Correspondence name and address
NANCY MCINTYRE
QUEENS' UNIVERSITY
KINGSTON, ON, K7L 3N6 CANADA
Assignment: 8
Reel/Frame:026898/0313   Pages: 13
Recorded: 09/13/2011
Attorney Dkt #:17048-E
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/01/2011
2
Exec Dt:
09/02/2011
3
Exec Dt:
09/02/2011
4
Exec Dt:
09/02/2011
5
Exec Dt:
09/02/2011
6
Exec Dt:
09/02/2011
7
Exec Dt:
09/07/2011
8
Exec Dt:
09/07/2011
Assignee
1
P.O. BOX 999, K1-53
RICHLAND, WASHINGTON 99352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13224680
Correspondence name and address
JAMES D. MATHESON
P.O. BOX 999, K1-53
RICHLAND, WA 99352
Assignment: 9
Reel/Frame:033719/0636   Pages: 10
Recorded: 09/11/2014
Attorney Dkt #:30392-E
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/09/2014
2
Exec Dt:
09/09/2014
3
Exec Dt:
09/09/2014
4
Exec Dt:
09/11/2014
5
Exec Dt:
09/10/2014
Assignee
1
P.O. BOX 999, K1-53
RICHLAND, WASHINGTON 99352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14477700
Correspondence name and address
JAMES D. MATHESON
P.O. BOX 999, K1-53
RICHLAND, WA 99352
Assignment: 10
Reel/Frame:038095/0562   Pages: 10
Recorded: 03/24/2016
Attorney Dkt #:30735-E
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/24/2016
2
Exec Dt:
03/24/2016
3
Exec Dt:
03/24/2016
4
Exec Dt:
03/24/2016
5
Exec Dt:
03/24/2016
Assignee
1
P.O. BOX 999, K1-53
RICHLAND, WASHINGTON 99352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15078807
Correspondence name and address
JAMES D. MATHESON
P.O. BOX 999, K1-53
RICHLAND, WA 99352
Assignment: 11
Reel/Frame:041081/0856   Pages: 11
Recorded: 01/25/2017
Attorney Dkt #:31019-E
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/25/2017
2
Exec Dt:
01/25/2017
3
Exec Dt:
01/25/2017
4
Exec Dt:
01/25/2017
5
Exec Dt:
01/25/2017
6
Exec Dt:
01/25/2017
Assignee
1
P.O. BOX 999, K1-53
RICHLAND, WASHINGTON 99352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15410523
Correspondence name and address
JAMES D. MATHESON
P.O. BOX 999, K1-53
RICHLAND, WA 99352
Assignment: 12
Reel/Frame:045798/0927   Pages: 12
Recorded: 05/14/2018
Attorney Dkt #:31019-E CIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/14/2018
2
Exec Dt:
05/14/2018
3
Exec Dt:
05/14/2018
4
Exec Dt:
05/14/2018
5
Exec Dt:
05/14/2018
6
Exec Dt:
05/10/2018
7
Exec Dt:
05/10/2018
Assignee
1
P.O. BOX 999, K1-53
RICHLAND, WASHINGTON 99352
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
15410523
 
15976061
Correspondence name and address
DEREK H. MAUGHAN
P.O. BOX 999, K1-53
RICHLAND, WA 99352
Assignment: 13
Reel/Frame:048849/0788   Pages: 11
Recorded: 04/10/2019
Attorney Dkt #:23-101851-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/15/2019
2
Exec Dt:
04/01/2019
3
Exec Dt:
03/18/2019
4
Exec Dt:
03/15/2019
5
Exec Dt:
03/15/2019
6
Exec Dt:
04/01/2019
7
Exec Dt:
03/15/2019
8
Exec Dt:
03/13/2019
Assignee
1
902 BATTELLE BOULEVARD
RICHLAND, WASHINGTON 99354
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16363672
Correspondence name and address
KLARQUIST SPARKMAN, LLP
121 S.W. SALMON STREET, SUITE 1600
PORTLAND, OR 97204
Assignment: 14
Reel/Frame:059001/0310   Pages: 11
Recorded: 02/14/2022
Attorney Dkt #:23-101851-03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/15/2019
2
Exec Dt:
04/01/2019
3
Exec Dt:
03/18/2019
4
Exec Dt:
03/15/2019
5
Exec Dt:
03/15/2019
6
Exec Dt:
04/01/2019
7
Exec Dt:
03/15/2019
8
Exec Dt:
03/13/2019
Assignee
1
902 BATTELLE BOULEVARD
RICHLAND, WASHINGTON 99354
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17584597
Correspondence name and address
KLARQUIST SPARKMAN, LLP
121 S.W. SALMON STREET, SUITE 1600
PORTLAND, OR 97204
Assignment: 15
Reel/Frame:064612/0659   Pages: 11
Recorded: 08/16/2023
Attorney Dkt #:23-101851-04
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/15/2019
2
Exec Dt:
04/01/2019
3
Exec Dt:
03/18/2019
4
Exec Dt:
03/15/2019
5
Exec Dt:
03/15/2019
6
Exec Dt:
04/01/2019
7
Exec Dt:
03/15/2019
8
Exec Dt:
03/13/2019
Assignee
1
902 BATTELLE BOULEVARD
RICHLAND, WASHINGTON 99354
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
18353338
Correspondence name and address
STEVEN J. BURGESS/KLARQUIST SPARKMAN, LLP
121 SW SALMON ST., SUITE 1600
ONE WORLD TRADE CENTER
PORTLAND, OR 97204
Assignment: 16
Reel/Frame:050781/0512   Pages: 9
Recorded: 10/21/2019
Attorney Dkt #:31460-E
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/21/2019
2
Exec Dt:
10/21/2019
3
Exec Dt:
10/21/2019
4
Exec Dt:
10/21/2019
Assignee
1
P.O. BOX 999, K1-53
RICHLAND, WASHINGTON 99352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16655743
Correspondence name and address
DEREK H. MAUGHAN
P.O. BOX 999, K1-53
RICHLAND, WA 99352
Assignment: 17
Reel/Frame:053207/0390   Pages: 4
Recorded: 07/14/2020
Attorney Dkt #:23-104349-02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/07/2020
2
Exec Dt:
07/06/2020
3
Exec Dt:
07/07/2020
4
Exec Dt:
07/06/2020
Assignee
1
902 BATTELLE BOULEVARD
RICHLAND, WASHINGTON 99354
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16928649
Correspondence name and address
KLARQUIST SPARKMAN, LLP
121 SW SALMON STREET
SUITE 1600
PORTLAND, OR 97204
Assignment: 18
Reel/Frame:055757/0330   Pages: 12
Recorded: 03/29/2021
Attorney Dkt #:23-104349-03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/25/2021
2
Exec Dt:
03/29/2021
3
Exec Dt:
03/29/2021
4
Exec Dt:
03/29/2021
5
Exec Dt:
03/29/2021
Assignee
1
902 BATTELLE BOULEVARD
RICHLAND, WASHINGTON 99354
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17215415
Correspondence name and address
KLARQUIST SPARKMAN, LLP
121 SW SALMON STREET, SUITE 1600
ONE WORLD TRADE CENTER
PORTLAND, OR 97204

Search Results as of: 05/12/2024 07:39 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