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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
10/22/1991
Application #:
07221657
Filing Dt:
07/20/1988
Inventors:
JAMES E. BOONE, DAVID W. OWENS, ROBERT E. FARRITOR, WESLEY D. BLANK
Title:
PRODUCTION OF SILICON
Assignment: 1
Reel/Frame:
005789/0494Recorded: 08/06/1991Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
07/13/1988
Exec Dt:
07/13/1988
Exec Dt:
07/14/1988
Exec Dt:
07/18/1988
Assignee:
RICHMOND, VIRGINIA
Correspondent:
PHILIP M. PIPPENGER
PATENT & TRADMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801
Assignment: 2
Reel/Frame:
007109/0340Recorded: 08/16/1994Pages: 62
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/28/1994
Assignee:
330 SOUTH FOURTH STREET
RICHMOND, VIRGINIA 23219
Correspondent:
MR. PHILIP M. PIPPONGER
PATENT AND TRADEMARK DIVISION
ALBERMARLE CORPORATION
451 FLORID BOULEVARD
BATON ROUGE, LA 70801
Assignment: 3
Reel/Frame:
007588/0678Recorded: 12/15/1995Pages: 7
Conveyance:
GRANT OF RIGHT AND LICENSE
Assignor:
Exec Dt:
12/04/1995
Assignee:
501 PEARL STREET
ST. PETERS, MISSOURI 63376
Correspondent:
JOSEPH F. DEPUMPO
AKIN, GUMP, STRAUSS, HAUER & FELD, LLP
1700 PACIFIC AVENUE, SUITE 4100
DALLAS, TEXAS 75201-4618

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