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Patent Assignment Assignor Details
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Assignor Name : DAVIDSON, ROBERT I.
Total Assignments: 22
Assignment: 1
Reel/Frame:004282/0478   Pages: 1
Recorded: 07/23/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIDSON, ROBERT I.
Exec Dt:
06/27/1983
Assignee
1
ETHYL CORPORATION
A VA CORP.
NOT PROVIDED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4476059
NONE
06509249
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 2
Reel/Frame:004429/0272   Pages: 1
Recorded: 07/19/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIDSON, ROBERT I.
Exec Dt:
08/08/1983
Assignee
1
ETHYL CORPORATION
A CORP. OF VA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4544509
NONE
06523161
Correspondence name and address
JOHN F. STEBERTH
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 3
Reel/Frame:004422/0543   Pages: 1
Recorded: 06/28/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIDSON, ROBERT I.
Exec Dt:
08/24/1983
Assignee
1
ETHYL CORPORATION
A CORP. OF VA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4541961
NONE
06526964
Correspondence name and address
JOHN F. SIEBERTH
PAT. & TRADEMARK DIV.
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 4
Reel/Frame:004520/0283   Pages: 1
Recorded: 03/07/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RAMACHANDRAN, VENKATARAMAN
Exec Dt:
04/15/1985
2
DAVIDSON, ROBERT I.
Exec Dt:
04/15/1985
3
MALONEY, JOHN R.
Exec Dt:
04/15/1985
Assignee
1
ETHYL CORPORATION, A CORP. OF VA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4590010
NONE
06724474
Correspondence name and address
JOHN F. SIEBERTH
451 FLORIDA BLVD.
ETHYL CORPORATION
BATON ROUGE, LA 70801
Assignment: 5
Reel/Frame:004495/0221   Pages: 1
Recorded: 01/13/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIDSON, ROBERT I.
Exec Dt:
05/10/1985
Assignee
1
ETHYL CORPORATION, RICHMOND, VA., A CORP. OF VA.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4581176
NONE
06735146
Correspondence name and address
JOHN F. SIEBERTH
PATENT AND TRADEMARK DIV.,
ETHYL CORP.,
451 FLORIDA BLVD.,
BATON ROUGE, LA 70801
Assignment: 6
Reel/Frame:004541/0330   Pages: 1
Recorded: 05/05/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIDSON, ROBERT I.
Exec Dt:
07/19/1985
Assignee
1
ETHYL CORPORATION A CORP. OF VA.
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4604243
NONE
06758818
Correspondence name and address
ETHYL CORPORATION
330 SOUTH FOURTH ST.
RICHMOND, VA., 23219
Assignment: 7
Reel/Frame:004982/0763   Pages: 1
Recorded: 12/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LIN, RONNY W.
Exec Dt:
12/12/1985
2
DAVIDSON, ROBERT I.
Exec Dt:
12/12/1985
Assignee
1
ETHYL CORPORATION, A CORP. OF VA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4808748
NONE
06808304
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 8
Reel/Frame:004982/0775   Pages: 1
Recorded: 12/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIDSON, ROBERT I.
Exec Dt:
12/12/1985
Assignee
1
ETHYL CORPORATION, A CORP. OF VA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4822904
NONE
06808204
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 9
Reel/Frame:004982/0764   Pages: 1
Recorded: 12/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIDSON, ROBERT I.
Exec Dt:
04/17/1986
Assignee
1
ETHYL CORPORATION, A CORP. OF VA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4814480
NONE
06854085
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 10
Reel/Frame:004982/0765   Pages: 1
Recorded: 12/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIDSON, ROBERT I.
Exec Dt:
04/17/1986
Assignee
1
ETHYL CORPORATION, A CORP. OF VA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4814482
NONE
06854084
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORP., 451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 11
Reel/Frame:004682/0106   Pages: 1
Recorded: 03/11/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIDSON, ROBERT I.
Exec Dt:
06/24/1986
Assignee
1
ETHYL CORPORATION
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4670579
NONE
06880071
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 12
Reel/Frame:005153/0866   Pages: 1
Recorded: 10/12/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIDSON, ROBERT I.
Exec Dt:
10/09/1989
Assignee
1
ETHYL CORPORATION, RICHMOND, VA A CORP. OF VA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4889951
NONE
07185399
Correspondence name and address
PHILIP M. PIPPENGER
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 13
Reel/Frame:006697/0888   Pages: 3
Recorded: 09/27/1993
Conveyance: TO CORRECTED CONVEYING PARTY IN NO. 1 PREVIOUS REEL 6576 FRAME 6418
Assignors
1
OZBALIK, NUBAR
Exec Dt:
11/08/1991
2
DAVIDSON, ROBERT I.
Exec Dt:
11/08/1991
Assignee
1
ETHYL CORPORATION
330 SOUTH FOURTH STREET
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5242613
NONE
07791271
Correspondence name and address
MR. PHILIP M. PIPPENGER
PATENT AND TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 14
Reel/Frame:007044/0778   Pages: 4
Recorded: 06/27/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRAZE, ANDREW C.
Exec Dt:
06/20/1994
2
DAVIDSON, ROBERT I.
Exec Dt:
06/24/1994
3
DAVIS, PAUL W.
Exec Dt:
06/17/1994
Assignee
1
MICROSOFT CORPORATION
ONE MICROSOFT WAY
REDMOND, WASHINGTON 98052-6399
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5809564
NONE
08266731
Correspondence name and address
SEED AND BERRY
JOHN R. CARPENTER
6300 COLUMBIA CENTER
701 FIFTH AVENUE
SEATTLE, WA 98104-7092
Assignment: 15
Reel/Frame:007060/0313   Pages: 3
Recorded: 06/30/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAVIDSON, ROBERT I.
Exec Dt:
06/24/1994
2
MYHRVOLD, NATHAN
Exec Dt:
06/21/1994
Assignee
1
MICROSOFT CORPORATION
ONE MICROSOFT WAY
REDMOND, WASHINGTON 98502
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5559884
NONE
08268967
Correspondence name and address
SEED AND BERRY
PATRICIA E. CHAMBERLAIN
6300 COLUMBIA CENTER
701 FIFTH AVENUE
SEATTLE, WA 98104-7092
Assignment: 16
Reel/Frame:007065/0310   Pages: 5
Recorded: 06/30/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAVIDSON, ROBERT I.
Exec Dt:
06/30/1994
2
MYHRVOLD, NATHAN
Exec Dt:
06/21/1994
3
VOGEL, KEITH RANDEL
Exec Dt:
06/22/1994
4
YUVAL, GIDEON ANDREAS
Exec Dt:
06/21/1994
5
SHUPAK, RICHARD
Exec Dt:
06/30/1994
6
APPERSON, NORMAN EUGENE
Exec Dt:
06/21/1994
Assignee
1
MICROSOFT CORPORATION
ONE MICROSOFT WAY
REDMOND, WASHINGTON 98052
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5664191
NONE
08268277
Correspondence name and address
SEED & BERRY
PATRICIA E. CHAMBERLAIN
6300 COLUMBIA CENTER
701 FIFTH AVENUE
SEATTLE, WA 98104-7092
Assignment: 17
Reel/Frame:007848/0793   Pages: 5
Recorded: 12/18/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BREESE, JOHN S.
Exec Dt:
12/11/1995
2
BLAKE, RUSSELL P.
Exec Dt:
12/12/1995
3
HECKERMAN, DAVID E.
Exec Dt:
12/11/1995
4
HOVEL, DAVID O.
Exec Dt:
12/12/1995
5
DAVIDSON, ROBERT I.
Exec Dt:
12/12/1995
Assignee
1
MICROSOFT CORPORATION
ONE MICROSOFT WAY
REDMOND, WASHINGTON 98052
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6067412
NONE
08516176
Correspondence name and address
MAURICE J. PIRIO
SEED AND BERRY
6300 COLUMBIA CENTER
701 FIFTH AVE.
SEATTLE, WA., 98104-7092
Assignment: 18
Reel/Frame:012136/0886   Pages: 3
Recorded: 09/04/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LARUS, JAMES R.
Exec Dt:
08/28/2001
2
DAVIDSON, ROBERT I.
Exec Dt:
08/28/2001
3
CHILIMBI, TRISHUL M.
Exec Dt:
08/28/2001
Assignee
1
MICROSOFT CORPORATION
ONE MICROSOFT WAY
REDMOND, WASHINGTON 98052
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6360361
NONE
09270124
Correspondence name and address
MERCHANT & GOULD P.C.
JOHN E. WHITAKER
P.O. BOX 2903
MINNEAPOLIS, MN 55402-0903
Assignment: 19
Reel/Frame:014226/0513   Pages: 4
Recorded: 06/27/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PETTIGREW, F. ALEXANDER
Exec Dt:
05/21/2003
2
SCHWAB, SCOTT D.
Exec Dt:
05/21/2003
3
YONDOLA, ROBERT A.
Exec Dt:
05/21/2003
4
DAVIDSON, ROBERT I.
Exec Dt:
05/21/2003
Assignee
1
ETHYL CORPORATION
330 SOUTH FOURTH STREET
LAW DEPT., PATENTS & TRADEMARKS
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040210478
10417465
Correspondence name and address
ETHYL CORPORATION
DENNIS H. RAINEAR
LAW DEPT., PATENTS & TRADEMARKS
330 SOUTH FOURTH STREET
RICHMOND, VA 23219
Assignment: 20
Reel/Frame:014736/0822   Pages: 4
Recorded: 12/01/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROOS, JOSEPH W.
Exec Dt:
10/07/2003
2
FACTOR, STEPHEN A.
Exec Dt:
10/07/2003
3
DAVIDSON, ROBERT I.
Exec Dt:
10/07/2003
Assignee
1
ETHYL PETROLEUM ADDITIVES, INC.
330 SOUTH FOURTH STREET
LAW DEPT., PATENTS & TRADEMARKS
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050011413
10623092
Correspondence name and address
ETHYL PETROLEUM ADDITIVES, INC.
DENNIS H. RAINER
330 SOUTH FOURTH STREET
LAW DEPART, PATENTS & TRADMARKS
RICHARDMOND, VA 23219
Assignment: 21
Reel/Frame:014768/0391   Pages: 5
Recorded: 12/09/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PETTIGREW, F. ALEXANDER
Exec Dt:
12/08/2003
2
SCHWAB, SCOTT D.
Exec Dt:
11/13/2003
3
YONDOLA, ROBERT A.
Exec Dt:
12/05/2003
4
DAVIDSON, ROBERT I.
Exec Dt:
11/14/2003
5
ARADI, ALLEN A.
Exec Dt:
11/13/2003
Assignee
1
ETHYL PETROLEUM ADDITIVES, INC.
330 SOUTH FOURTH STREET
LAW DEPARTMENT
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050027592
10630025
Correspondence name and address
ETHYL PETROLEUM ADDITIVES, INC.
DENNIS H. RAINEAR
330 SOUTH FOURTH STREET
LAW DEPARTMENT
RICHMOND, VA 23219
Assignment: 22
Reel/Frame:029155/0668   Pages: 16
Recorded: 10/19/2012
Attorney Dkt #:337208.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HECKERMAN, DAVID EARL
Exec Dt:
10/10/2012
2
LISTGARTEN, JENNIFER
Exec Dt:
10/09/2012
3
LIPPERT, CHRISTOPH ANTHONY
Exec Dt:
10/11/2012
4
XIANG, JING
Exec Dt:
10/12/2012
5
FUSI, NICOLO
Exec Dt:
10/11/2012
6
KADIE, CARL M.
Exec Dt:
10/09/2012
7
DAVIDSON, ROBERT I.
Exec Dt:
10/09/2012
Assignee
1
MICROSOFT CORPORATION
ONE MICROSOFT WAY
REDMOND, WASHINGTON 98052
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140066320
13603403
Correspondence name and address
ASSAL MEFTAHI
ONE MICROSOFT WAY
PATENT GROUP DOCKETING DEPT
REDMOND, WA 98052

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