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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 : ALLEN, ROBERT H.
Total Assignments: 34
Assignment: 1
Reel/Frame:003908/0501   Pages: 3
Recorded: 08/13/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
07/31/1981
Assignee
1
537 NEWTON AVE.
A CORP. OF DE
NORWALK, CONNECTICUT 06851
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06292370
Correspondence name and address
UNIVERSITY PATENTS, INC.
P. O. BOX 6080
NORWALK, CT 06852
Assignment: 2
Reel/Frame:003979/0560   Pages: 1
Recorded: 04/12/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/25/1981
Assignee
1
537 NEWTOWN AVE., P.O. BOX 6080,
NORWALK,, CONNECTICUT 06852
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06251249
Correspondence name and address
DONALD W. MARGOLIS
26 GARDEN CENTER
BROOMFIELD, CO 80020
Assignment: 3
Reel/Frame:004232/0630   Pages: 3
Recorded: 03/19/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
03/13/1984
Assignee
1
537 NEWTON AVE.
NORWALK, CONNECTICUT 06852
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06251249
Correspondence name and address
GEORGE M. YAHWAK
UNIVERSITY PATENTS, INC.
P.O. BOX 6080
NORWALK, CONN. 06852
Assignment: 4
Reel/Frame:004835/0685   Pages: 1
Recorded: 03/07/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/18/1987
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07088145
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 5
Reel/Frame:005048/0977   Pages: 1
Recorded: 05/05/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/31/1987
Assignee
1
RICHMOND,, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07092638
Correspondence name and address
DONALD B. DEAVER
CUSHMAN DARBY & CUSHMAN
1615 L ST., N.W.
WASHINGTON, D.C. 20036-5601
Assignment: 6
Reel/Frame:004941/0691   Pages: 2
Recorded: 09/02/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/13/1987
2
Exec Dt:
11/23/1987
Assignee
1
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07126203
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801-9990
Assignment: 7
Reel/Frame:004809/0550   Pages: 4
Recorded: 12/22/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/15/1987
2
Exec Dt:
12/15/1987
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06933553
Correspondence name and address
BARBARA A. SHIMEI
UNIVERSITY PATENTS, INC.
P.O. BOX 901
WESTPORT, CT 06881
Assignment: 8
Reel/Frame:005060/0402   Pages: 1
Recorded: 03/02/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
02/29/1988
Assignee
1
VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07165187
Correspondence name and address
DONALD B. DEAVER
1615 L STR. NW, 11TH FLOOR
WASHINGTON, DC 20036-5601
Assignment: 9
Reel/Frame:005024/0359   Pages: 1
Recorded: 02/27/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/20/1988
2
Exec Dt:
06/20/1988
Assignee
1
A CORP. OF VA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07212231
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 10
Reel/Frame:005067/0922   Pages: 1
Recorded: 05/02/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/20/1988
2
Exec Dt:
06/20/1988
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07212231
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
1615 L STREET, NW
WASHINGTON, DC 20036-5601
Assignment: 11
Reel/Frame:005315/0913   Pages: 2
Recorded: 05/14/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/20/1988
2
Exec Dt:
06/20/1988
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07212286
Correspondence name and address
MR. PHILIP PIPPENGER
PATENT & TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801
Assignment: 12
Reel/Frame:004927/0852   Pages: 2
Recorded: 08/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
08/01/1988
2
Exec Dt:
06/23/1988
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07114453
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801-9980
Assignment: 13
Reel/Frame:005597/0390   Pages: 2
Recorded: 02/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/05/1988
2
Exec Dt:
10/05/1988
Assignee
1
RICHMOND,, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07255446
Correspondence name and address
MR. PHILIP M. PIPPENGER
PATENT & TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LOUISIANA 70801
Assignment: 14
Reel/Frame:004991/0311   Pages: 2
Recorded: 12/01/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/18/1988
2
Exec Dt:
11/18/1988
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07004116
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801
Assignment: 15
Reel/Frame:005081/0630   Pages: 1
Recorded: 04/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/27/1989
2
Exec Dt:
03/14/1989
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07290584
Correspondence name and address
JOHN F. SIEBERTH
PATENT AND TRADEMARK DIVISION
ETHYL CORP., 451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 16
Reel/Frame:005145/0889   Pages: 2
Recorded: 08/30/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/27/1989
2
Exec Dt:
03/14/1989
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07290584
Correspondence name and address
MR. PHILIP M. PIPPENGER
PATENT AND TRADEMARK DIVISION
ETHYL CORP., 451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 17
Reel/Frame:006071/0680   Pages: 3
Recorded: 04/08/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/18/1991
2
Exec Dt:
03/18/1991
3
Exec Dt:
03/19/1991
4
Exec Dt:
03/21/1991
5
Exec Dt:
03/19/1991
6
Exec Dt:
03/18/1991
7
Exec Dt:
03/19/1991
Assignee
1
A CORPORATION OF VA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07674104
Correspondence name and address
ETHYL CORPORATION
ATTENTION: MR. PHILIP M. PIPPENGER
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801
Assignment: 18
Reel/Frame:006158/0124   Pages: 3
Recorded: 06/04/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/30/1991
2
Exec Dt:
07/30/1991
3
Exec Dt:
07/30/1991
4
Exec Dt:
07/30/1991
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07739654
Correspondence name and address
PHILIP M. PIPPENGER
ETHYL CORPORATION
451 FLORIDA STREET
BATON ROUGE, LA 70801
Assignment: 19
Reel/Frame:005952/0146   Pages: 3
Recorded: 11/18/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
10/28/1991
Assignee
1
1305 UNIVERSITY AVENUE
BOULDER, COLORADO 80306
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07727628
Correspondence name and address
GLENN K. BEATON
BEATON & SWANSON
4582 S. ULSTER ST. PARKWAY
SUITE 403
DENVER, CO 80237
Assignment: 20
Reel/Frame:006507/0402   Pages: 3
Recorded: 04/19/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/17/1992
2
Exec Dt:
06/17/1992
3
Exec Dt:
06/17/1992
Assignee
1
330 SOUTH FOURTH STREET
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07906199
Correspondence name and address
MR. PHILIP M. PIPPENGER
PATENT AND TRADEMARK DIVISON
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801
Assignment: 21
Reel/Frame:006372/0012   Pages: 3
Recorded: 11/10/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/02/1992
2
Exec Dt:
10/02/1992
3
Exec Dt:
10/19/1992
Assignee
1
1305 UNIVERSITY AVENUE
BOULDER, COLORADO 80309
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07940918
Correspondence name and address
BARBARA A. GYURE
GREENLEE & WINNER
5370 MANHATTAN CIRCLE, #201
BOULDER, CO 80303
Assignment: 22
Reel/Frame:006387/0044   Pages: 3
Recorded: 01/08/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/14/1992
2
Exec Dt:
12/14/1992
Assignee
1
1305 UNIVERSITY AVENUE
BOULDER, COLORADO 80306
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07960783
Correspondence name and address
GREENLEE & WINNER, P.C.
MARGARET M. WALL
5370 MANHATTAN CIRCLE, SUITE 201
BOULDER, COLORADO 80303
Assignment: 23
Reel/Frame:006491/0614   Pages: 3
Recorded: 03/17/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
03/11/1993
Assignee
1
4001 S. DEXTER STREET
ENGLEWOOD, COLORADO 80110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07999499
Correspondence name and address
VALETA A. GREGG-EMERY
4582 S. ULSTER ST. PKWY.
SUITE 403
DENVER, COLORADO 80237
Assignment: 24
Reel/Frame:006945/0887   Pages: 2
Recorded: 04/08/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/30/1994
2
Exec Dt:
03/30/1994
Assignee
1
330 SOUTH FORTH STREET
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08053527
Correspondence name and address
MR. PHILIP M. PIPPENGER
PATENT AND TRADEMARK DIVISION
ALBEMARLE CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801
Assignment: 25
Reel/Frame:006945/0889   Pages: 2
Recorded: 04/08/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/30/1994
2
Exec Dt:
03/30/1994
Assignee
1
330 SOUTH FOURTH STREET
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07791882
Correspondence name and address
MR. PHILIP M. PIPPENGER
PATENT AND TRADEMARK DIVISION
ALBEMARLE CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801
Assignment: 26
Reel/Frame:007979/0174   Pages: 3
Recorded: 05/29/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/23/1996
2
Exec Dt:
05/25/1996
3
Exec Dt:
05/18/1996
Assignee
1
451 FLORIDA STREET
BATON ROUGE, LOUISIANA 70801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08459080
Correspondence name and address
AMOCO CORPORATION
STEPHEN L. HENSLEY
LAW DEPARTMENT, MAIL CODE 1907A
200 E. RANDOLPH DR., P.O. BOX 87703
CHICAGO, IL 60680-0703
Assignment: 27
Reel/Frame:009190/0438   Pages: 3
Recorded: 05/11/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/04/1998
2
Exec Dt:
05/04/1998
Assignee
1
301 GARFIELD STREET, UNIT 2 WEST
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09012955
Correspondence name and address
DAVIS, GRAHAM & STUBBS, LLP
GLENN K. BEATON
P.O. BOX 185
DENVER, CO 80201-0185
Assignment: 28
Reel/Frame:009590/0356   Pages: 3
Recorded: 11/12/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/23/1998
2
Exec Dt:
05/06/1998
3
Exec Dt:
02/23/1998
Assignee
1
330 SOUTH FOURTH STREET
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08988969
Correspondence name and address
ALBEMARLE CORPORATION
PHILIP M. PIPPENGER
451 FLORIDA STREET
BATON ROUGE, LOUISIANA 70801-1780
Assignment: 29
Reel/Frame:010077/0758   Pages: 10
Recorded: 07/09/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/08/1998
2
Exec Dt:
10/14/1998
3
Exec Dt:
10/08/1998
4
Exec Dt:
10/08/1998
5
Exec Dt:
10/14/1998
6
Exec Dt:
10/08/1998
7
Exec Dt:
10/22/1998
8
Exec Dt:
10/21/1998
9
Exec Dt:
10/21/1998
10
Exec Dt:
10/20/1998
11
Exec Dt:
10/14/1998
12
Exec Dt:
10/08/1998
13
Exec Dt:
10/08/1998
Assignee
1
330 SOUTH FOURTH STREET
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09111935
Correspondence name and address
ALBEMARLE CORPORATION
MR. PHILIP M. PIPPENGER
451 FLORIDA STREET
PATENT & TRADEMARK DIVISION
BATON ROUGE, LA 70801-1765
Assignment: 30
Reel/Frame:009703/0504   Pages: 3
Recorded: 01/19/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/14/1998
Assignee
1
3393 COUNTY ROAD 42, R.R. #1
AIRPORT PLAZA, UNIT #5
WINDSOR, ONTARIO, CANADA N9A 6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07899189
Correspondence name and address
DICKINSON WRIGHT PLLC
CHRISTOPHER W. BRODY
1901 L. STREET, N.W. SUITE 800
WASHINGTON, DC 20036
Assignment: 31
Reel/Frame:009703/0509   Pages: 3
Recorded: 01/13/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/14/1998
Assignee
1
AIRPORT P[LAZA, UNIT #5
3393 COUNTY ROAD 42, R.R. #1
WINDSOR, ONTARIO N9A 6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08066842
Correspondence name and address
DICKINSON WRIGHT PLLC
CHRISTOPHER W. BRODY
1901 L STREET, NW
SUITE 800
WASHINGTON, DC 20036
Assignment: 32
Reel/Frame:020741/0335   Pages: 2
Recorded: 04/02/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/03/1999
2
Exec Dt:
02/11/1999
Assignee
1
301 GARFIELD STREET
UNIT 2 WEST
DENVER, COLORADO 80206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09793214
Correspondence name and address
CLIFFORD D. CORY
1801 CALIFORNIA STREET, STE. 4200
GIBSON, DUNN & CRUTCHER, LLP
DENVER, CO 80202
Assignment: 33
Reel/Frame:014708/0001   Pages: 7
Recorded: 11/21/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/25/2002
2
Exec Dt:
07/09/2002
3
Exec Dt:
06/24/2002
4
Exec Dt:
06/19/2002
5
Exec Dt:
06/19/2002
6
Exec Dt:
06/27/2002
7
Exec Dt:
06/18/2002
Assignee
1
330 SOUTH FOURTH STREET
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10126260
Correspondence name and address
ALBEMARLE CORPORATION
EDGAR E. SPIELMAN, JR.
LAW DIVISION
451 FLORIDA STREET
BATON ROUGE, LA 70814
Assignment: 34
Reel/Frame:014747/0902   Pages: 7
Recorded: 06/17/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/27/2002
2
Exec Dt:
06/25/2002
3
Exec Dt:
06/18/2002
4
Exec Dt:
07/09/2002
5
Exec Dt:
06/24/2002
6
Exec Dt:
06/19/2002
7
Exec Dt:
06/19/2002
Assignee
1
330 SOUTH FOURTH STREET
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10118290
Correspondence name and address
ALBEMARLE CORPORATION
EDGAR E. SPIELMAN, JR.
451 FLORIDA STREET
BATON ROUGE, LA 70801-176

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