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Patent Assignment Assignor Details
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Assignor Name : SIMPKINS, DANIEL S.
Total Assignments: 23
Assignment: 1
Reel/Frame:009865/0429   Pages: 3
Recorded: 04/07/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TURNER, MARK A.
Exec Dt:
04/01/1999
2
ANSTETT III, JOSEPH E.
Exec Dt:
04/01/1999
3
MOSHIRI, NEGAR
Exec Dt:
04/01/1999
4
SIMPKINS, DANIEL S.
Exec Dt:
03/29/1999
5
SYMBORSKI, CARL
Exec Dt:
04/01/1999
Assignee
1
SALIX TECHNOLOGIES, INC.
SUITE 101
904 WIND RIVER LANE
GAITHERSBURG, MARYLAND 20878
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6707825
NONE
09207746
Correspondence name and address
VENABLE, BAETJER, HOWARD & CIVILETTI,
MICHAEL A. SARTORI, PH.D.
P.O. BOX 34385
WASHINGTON, D.C. 20043-9998
Assignment: 2
Reel/Frame:009868/0690   Pages: 3
Recorded: 04/07/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMPKINS, DANIEL S.
Exec Dt:
03/29/1999
2
BRASS, STEVE
Exec Dt:
03/30/1999
3
ANSTETT, JOSEPH E. III
Exec Dt:
04/01/1999
4
TURNER, MARK A.
Exec Dt:
04/01/1999
Assignee
1
SALIX TECHNOLOGIES, INC.
SUITE 101
904 WIND RIVER LAND
GAITHERSBURG, MARYLAND 20878
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6931002
NONE
09207745
Correspondence name and address
VENABLE
MICHAEL A. SARTONI
POST OFFICE BOX 34385
WASHINGTON, DC 20043-9998
Assignment: 3
Reel/Frame:015982/0543   Pages: 3
Recorded: 11/10/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUNLETH, FRANK A.
Exec Dt:
07/15/2004
2
SIMPKINS, DANIEL S.
Exec Dt:
07/15/2004
3
GRITTON, CHARLES W.K.
Exec Dt:
07/15/2004
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8601396
US20040252120
10768460
Correspondence name and address
STEVEN M. DUBOIS
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 4
Reel/Frame:015982/0546   Pages: 3
Recorded: 11/10/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUNLETH, FRANK A.
Exec Dt:
07/15/2004
2
MOSHIRI, NEGAR
Exec Dt:
07/15/2004
3
NAPIER, WILLILAM J.
Exec Dt:
07/15/2004
4
SIMPKINS, DANIEL S.
Exec Dt:
07/15/2004
5
WROBLEWSKI, FRANK J.
Exec Dt:
07/15/2004
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040268393
10768432
Correspondence name and address
STEVEN M. DUBOIS
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 5
Reel/Frame:015982/0554   Pages: 3
Recorded: 11/10/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUNLETH, FRANK A.
Exec Dt:
07/15/2004
2
MOSHIRI, NEGAR
Exec Dt:
07/15/2004
3
NAPIER, WILLIAM J.
Exec Dt:
07/15/2004
4
SIMPKINS, DANIEL S.
Exec Dt:
07/15/2004
5
WROBLEWSKI, FRANK J.
Exec Dt:
07/15/2004
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8046705
US20040252119
10768422
Correspondence name and address
STEVEN M. DUBOIS
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 6
Reel/Frame:015982/0567   Pages: 3
Recorded: 11/10/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUNLETH, FRANK A.
Exec Dt:
07/15/2004
2
MOSHIRI, NEGAR
Exec Dt:
07/15/2004
3
NAPIER, WILLIAM J.
Exec Dt:
07/15/2004
4
SIMPKINS, DANIEL S.
Exec Dt:
07/15/2004
5
WROBLEWSKI, FRANK J.
Exec Dt:
07/15/2004
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8555165
US20050005241
10768234
Correspondence name and address
STEVEN M. DUBOIS
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 7
Reel/Frame:015965/0258   Pages: 3
Recorded: 11/08/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUNLETH, FRANK A.
Exec Dt:
10/20/2004
2
NAPIER, WILLIAM J.
Exec Dt:
10/20/2004
3
SIMPKINS, DANIEL S.
Exec Dt:
10/20/2004
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050044509
10840001
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 8
Reel/Frame:015932/0301   Pages: 3
Recorded: 04/22/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIBERTY, MATTHEW G.
Exec Dt:
03/29/2005
2
SIMPKINS, DANIEL S.
Exec Dt:
03/30/2005
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7489299
US20050174324
10970811
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 9
Reel/Frame:015940/0361   Pages: 3
Recorded: 04/25/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUNLETH, FRANK A.
Exec Dt:
04/21/2005
2
WROBLEWSKI, FRANK J.
Exec Dt:
04/21/2005
3
SIMPKINS, DANIEL S.
Exec Dt:
04/20/2005
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050195159
11063630
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 10
Reel/Frame:015940/0452   Pages: 3
Recorded: 04/25/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUNLETH, FRANK A.
Exec Dt:
04/21/2005
2
SIMPKINS, DANIEL S.
Exec Dt:
04/20/2005
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7260789
US20050188333
11064310
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 11
Reel/Frame:016035/0656   Pages: 3
Recorded: 05/19/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUNLETH, FRANK A.
Exec Dt:
04/01/2005
2
SIMPKINS, DANIEL S.
Exec Dt:
04/30/2005
3
SCHEIREY, STEPHEN
Exec Dt:
04/01/2005
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050204391
11064307
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 12
Reel/Frame:016011/0605   Pages: 4
Recorded: 05/13/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISRAEL, BRUCE
Exec Dt:
05/02/2005
2
GRITTON, CHARLES W.K.
Exec Dt:
05/02/2005
3
HUNLETH, FRANK A.
Exec Dt:
05/02/2005
4
SCHEIREY, STEPHEN
Exec Dt:
05/02/2005
5
SIMPKINS, DANIEL S.
Exec Dt:
05/10/2005
6
STONER, RYAN
Exec Dt:
04/26/2005
7
WANG, YIZHONG
Exec Dt:
05/02/2005
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7493341
US20050182792
11037897
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 13
Reel/Frame:016169/0631   Pages: 4
Recorded: 06/21/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIBERTY, MATTHEW G.
Exec Dt:
05/23/2005
2
SIMPKINS, DANIEL S.
Exec Dt:
05/27/2005
3
GRITTON, CHARLES W.K.
Exec Dt:
05/25/2005
4
TURNER, MARK
Exec Dt:
05/23/2005
5
HUNLETH, FRANK A.
Exec Dt:
05/23/2005
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7239301
US20050253806
11119663
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 14
Reel/Frame:016169/0854   Pages: 4
Recorded: 06/21/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIBERTY, MATTHEW G.
Exec Dt:
05/23/2005
2
ROLLER, CHRISTOPHER D.
Exec Dt:
04/29/2005
3
SIMPKINS, DANIEL S.
Exec Dt:
05/27/2005
4
GRITTON, CHARLES W.K.
Exec Dt:
05/25/2005
Assignee
1
HILLCREST COMMUNICATIONS, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7236156
US20050243061
11119688
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 15
Reel/Frame:016768/0884   Pages: 4
Recorded: 11/11/2005
Attorney Dkt #:0320-077 ASSIGN
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAPIER, WILLIAM J.
Exec Dt:
11/07/2005
2
MOSHIRI, NEGAR
Exec Dt:
11/07/2005
3
HUNLETH, FRANK A.
Exec Dt:
11/07/2005
4
WROBLEWSKI, FRANK J.
Exec Dt:
11/07/2005
5
CONROY, KEVIN M.
Exec Dt:
11/07/2005
6
SIMPKINS, DANIEL S.
Exec Dt:
11/07/2005
Assignee
1
HILLCREST LABORATORIES, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D589521
NONE
29230528
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 16
Reel/Frame:017219/0853   Pages: 4
Recorded: 02/27/2006
Attorney Dkt #:0320-065
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRITTON, CHARLES W.K.
Exec Dt:
01/27/2006
2
AUFDERHEIDE, DAVE
Exec Dt:
01/25/2006
3
CONROY, KEVIN
Exec Dt:
01/27/2006
4
GOYAL, NEEL
Exec Dt:
01/25/2006
5
HUNLETH, FRANK A.
Exec Dt:
01/25/2006
6
SCHEIREY, STEPHEN
Exec Dt:
01/25/2006
7
SIMPKINS, DANIEL S.
Exec Dt:
01/31/2006
Assignee
1
HILLCREST LABORATORIES, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060176403
11325749
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 17
Reel/Frame:017351/0454   Pages: 4
Recorded: 03/23/2006
Attorney Dkt #:0320-070
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUNLETH, FRANK A.
Exec Dt:
03/14/2006
2
MOSHIRI, NEGAR
Exec Dt:
03/14/2006
3
NAPIER, WILLIAM J.
Exec Dt:
03/14/2006
4
SIMPKINS, DANIEL S.
Exec Dt:
03/22/2006
5
WROBLEWSKI, FRANK J.
Exec Dt:
03/14/2006
6
CONROY, KEVIN
Exec Dt:
03/14/2006
7
GRITTON, CHARLES W.K.
Exec Dt:
03/17/2006
Assignee
1
HILLCREST LABORATORIES, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7839385
US20060184966
11354329
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 18
Reel/Frame:018422/0952   Pages: 6
Recorded: 10/23/2006
Attorney Dkt #:0320-078
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRANCZ, STEVEN
Exec Dt:
07/31/2006
2
SIMPKINS, DANIEL S.
Exec Dt:
08/07/2006
3
WROBLEWSKI, FRANK J.
Exec Dt:
07/28/2006
4
GECK, FRIEDRICH
Exec Dt:
07/28/2006
5
MOSHIRI, NEGAR
Exec Dt:
09/06/2006
6
GRITTON, CHARLES W.K.
Exec Dt:
07/28/2006
7
GUPTA, ARVIND KUMA
Exec Dt:
10/20/2006
Assignee
1
HILLCREST LABORATORIES, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070035518
11480662
Correspondence name and address
POTOMAC PATENT GROUP, PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 19
Reel/Frame:020071/0815   Pages: 8
Recorded: 11/06/2007
Attorney Dkt #:0320-111
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOSHIRI, NEGAR
Exec Dt:
10/18/2007
2
WROBLEWSKI, FRANK J.
Exec Dt:
10/19/2007
3
NAPIER, WILLIAM J.
Exec Dt:
10/17/2007
4
HUNLETH, FRANK A.
Exec Dt:
10/19/2007
5
SIMPKINS, DANIEL S.
Exec Dt:
10/19/2007
6
CONROY, KEVIN M.
Exec Dt:
10/08/2007
7
WOOD, PETER
Exec Dt:
10/03/2007
8
GOYAL, NEEL
Exec Dt:
10/17/2007
9
WITENSTEIN-WEAVER, JASON
Exec Dt:
10/03/2007
10
MARK, ADAM
Exec Dt:
11/01/2007
11
STANCHFIELD, SCOTT ANTHONY
Exec Dt:
10/17/2007
Assignee
1
HILLCREST LABORATORIES, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080222675
11895412
Correspondence name and address
POTOMAC PATENT GROUP PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 20
Reel/Frame:026743/0495   Pages: 3
Recorded: 08/12/2011
Attorney Dkt #:0320-085
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SIMPKINS, DANIEL S.
Exec Dt:
02/20/2008
Assignee
1
HILLCREST LABORATORIES, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9411428
US20070176896
11700507
Correspondence name and address
POTOMAC PATENT GROUP PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 21
Reel/Frame:026792/0897   Pages: 5
Recorded: 08/23/2011
Attorney Dkt #:0320-121
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOSHIRI, NEGAR
Exec Dt:
08/03/2011
2
GRITTON, CHARLES W.K.
Exec Dt:
08/02/2011
3
SIMPKINS, DANIEL S.
Exec Dt:
08/11/2011
4
PIXLEY, TOM
Exec Dt:
08/14/2011
Assignee
1
HILLCREST LABORATORIES, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9459783
US20120030613
13143898
Correspondence name and address
POTOMAC PATENT GROUP PLLC
P.O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 22
Reel/Frame:027528/0532   Pages: 8
Recorded: 01/13/2012
Attorney Dkt #:0320-149
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAMAGEM, DANIEL BLOOMFIELD
Exec Dt:
12/29/2011
2
GRITTON, CHARLES W. K.
Exec Dt:
01/03/2012
3
MOSHIRI, NEGAR
Exec Dt:
01/09/2012
4
SCHEIREY, STEPHEN
Exec Dt:
01/03/2012
5
ROUADY, WILLIAM
Exec Dt:
01/03/2012
6
SIMPKINS, DANIEL S.
Exec Dt:
01/03/2012
Assignee
1
HILLCREST LABORATORIES, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9377876
US20120154449
13326989
Correspondence name and address
STEVEN M. DUBOIS
P. O. BOX 270
FREDERICKSBURG, VA 22404
Assignment: 23
Reel/Frame:039873/0663   Pages: 3
Recorded: 09/28/2016
Attorney Dkt #:0320-161-2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIMPKINS, DANIEL S.
Exec Dt:
09/27/2016
2
GRITTON, CHARLES W.K.
Exec Dt:
09/23/2016
Assignee
1
HILLCREST LABORATORIES, INC.
15245 SHADY GROVE ROAD
ROCKVILLE, MARYLAND 20850
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10873718
US20170180670
15127506
Correspondence name and address
PATENT PORTFOLIO BUILDERS PLLC
P.O. BOX 7999
FREDERICKSBURG, VA 22404

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