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Patent Assignment Assignor Details
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Assignor Name : STEPHENSON, ROBERT C.
Total Assignments: 7
Assignment: 1
Reel/Frame:005689/0642   Pages: 4
Recorded: 05/06/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MAZUR, ROBERT G.
Exec Dt:
04/29/1991
2
STEPHENSON, ROBERT C.
Exec Dt:
04/29/1991
3
ZIER, DONALD A., JR.
Exec Dt:
04/29/1991
Assignee
1
SOLID STATE MEASUREMENTS, INC., A CORP. OF PA
110 TECHNOLOGY DR.
PITTSBURG, PENNSYLVANIA 15275
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5036271
NONE
07527790
Correspondence name and address
RONALD S. LOMBARD
4430 TWIN OAKS LANE
MURRYSVILLE, PA 15668
Assignment: 2
Reel/Frame:008940/0711   Pages: 3
Recorded: 01/16/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAZUR, ROBERT G.
Exec Dt:
12/16/1997
2
STEPHENSON, ROBERT C.
Exec Dt:
12/12/1997
3
ANDY, MARK J.
Exec Dt:
12/04/1997
4
HARTFORD, CATHERINE L.
Exec Dt:
11/25/1997
5
ROGERS, JOHN R.
Exec Dt:
11/26/1997
Assignee
1
SOLID STATE MEASUREMENTS, INC.
110 TECHNOLOGY DRIVE
PITTSBURGH, PENNSYLVANIA 15275
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6052653
NONE
08890775
Correspondence name and address
WEBB ZIESENHEIM BRUENING LOGSDON ORKIN
& HANSON, P.C. - WILLIAM H. LOGSDON
700 KOPPERS BLDG.
436 SEVENTH AVENUE
PITTSBURGH, PA 15219-1818
Assignment: 3
Reel/Frame:015194/0079   Pages: 4
Recorded: 09/28/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
08/26/2004
2
MOLINEAUX, CHRISTOPHER J.
Exec Dt:
08/10/2004
3
NEFF, THOMAS B.
Exec Dt:
09/23/2004
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
PAROBOK, INGRID LANGSETMO
Exec Dt:
08/10/2004
6
SEELEY, TODD W.
Exec Dt:
08/17/2004
7
STEPHENSON, ROBERT C.
Exec Dt:
08/11/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8614204
US20050020487
10861590
Correspondence name and address
FIBROGEN, INC.
JAMES E. NESBITT, PH.D.
INTELLECTUAL PROPERTY DEPT.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CA 94080
Assignment: 4
Reel/Frame:031500/0954   Pages: 5
Recorded: 10/29/2013
Attorney Dkt #:1033866-000028
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
08/24/2004
2
MOLINEAUX, CHRISTOPHER J.
Exec Dt:
08/10/2004
3
NEFF, THOMAS B.
Exec Dt:
09/23/2004
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
PAROBOK, INGRID LANGSETMO
Exec Dt:
08/10/2004
6
SEELEY, TODD W.
Exec Dt:
08/17/2004
7
STEPHENSON, ROBERT C.
Exec Dt:
08/11/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
8609646
US20100280044
12804029
 
8604012
US20100278941
12804033
 
8604013
US20110038950
12804042
 
8629131
US20110039886
12804066
Correspondence name and address
TODD R. WALTERS
1737 KING STREET
SUITE 500
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:033180/0888   Pages: 4
Recorded: 06/12/2014
Attorney Dkt #:FP0606.5 DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
08/26/2004
2
MOLINEAUX, CHRISTOPHER J.
Exec Dt:
08/10/2004
3
NEFF, THOMAS B.
Exec Dt:
09/23/2004
4
GUENZIER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
PAROBOK, INGRID LANGSETMO
Exec Dt:
08/10/2004
6
SEELEY, TODD W.
Exec Dt:
08/17/2004
7
STEPHENSON, ROBERT C.
Exec Dt:
08/11/2004
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9920011
US20150246886
14084443
Correspondence name and address
MARCELLA LILLIS, PH. D.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Assignment: 6
Reel/Frame:054811/0752   Pages: 5
Recorded: 01/05/2021
Attorney Dkt #:148640.001421
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
08/26/2004
2
MOLINEAUX, CHRISTOPHER J.
Exec Dt:
08/10/2004
3
NEFF, THOMAS B.
Exec Dt:
09/23/2004
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
STEPHENSON, ROBERT C.
Exec Dt:
08/11/2004
6
SEELEY, TODD W.
Exec Dt:
08/17/2004
7
LANGSETMO PAROBOK, INGRID
Exec Dt:
08/10/2004
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11680048
US20210114987
17132743
Correspondence name and address
TROUTMAN PEPPER HAMILTON SANDERS LLP
501 GRANT STREET, SUITE 300
UNION TRUST BUILDING
PITTSBURGH, PA 15219-4429
Assignment: 7
Reel/Frame:018351/0702   Pages: 4
Recorded: 10/03/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAROBOK, INGRID LANGSETMO
Exec Dt:
09/22/2006
2
SEELEY, TODD W.
Exec Dt:
09/11/2006
3
STEPHENSON, ROBERT C.
Exec Dt:
09/11/2006
Assignee
1
FIBROGEN, INC.
225 GATEWAY BOULEVARD
CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070072817
11418974
Correspondence name and address
JAMES E. NESBITT, PH.D.
FIBROGEN, INC.
225 GATEWAY BOULEVARD, CA 94080

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