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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
10/03/1989
Application #:
07158740
Filing Dt:
02/23/1988
Inventors:
TSUGIO KANEKO, FUMIYA ISHIKAWA, YOSHINOBU NISHIYAMA, TOSHIHARU SHIBATA
Title:
METHOD FOR EXTRACTING METAL IONS
Assignment: 1
Reel/Frame:
004914/0651Recorded: 07/15/1988Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
02/23/1988
Exec Dt:
02/23/1988
Exec Dt:
02/23/1988
Exec Dt:
02/23/1988
Assignee:
Correspondent:
OBLON, FISHER, SPIVAK,
MC CLELLAND & MAIER
CRYSTAL SQ. FIVE-STE. 400
1755 S. JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:
005004/0736Recorded: 11/01/1988Pages: 2
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/01/1988
Assignee:
TOKYO, JAPAN
Correspondent:
OBLON FISHER SPIVAK MCCLELLAND & MAIER
CRYSTAL SQUARE FIVE, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 3
Reel/Frame:
005004/0736Recorded: 11/01/1988Pages: 2
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/01/1988
Assignee:
TOKYO, JAPAN
Correspondent:
OBLON FISHER SPIVAK MCCLELLAND & MAIER
CRYSTAL SQUARE FIVE, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202

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