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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
07/07/1987
Application #:
06861985
Filing Dt:
05/12/1986
Inventors:
BOHDAN LISOWYJ, DAVID C. HITCHCOCK, HENRY EPSTEIN
Title:
PROCESS FOR THE RECOVERY OF GALLIUM AND GERMANIUM FROM COAL FLY ASH
Assignment: 1
Reel/Frame:
004554/0905Recorded: 05/12/1986Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
04/23/1986
Exec Dt:
04/28/1986
Exec Dt:
04/23/1986
Assignee:
Correspondent:
DONALD F. HAAS
NORCHEM, INC.
TWO CENTRAL PARK PLAZA
OMAHA, NE 68102
Assignment: 2
Reel/Frame:
005091/0355Recorded: 03/20/1989Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
07/07/1988
Exec Dt:
03/02/1989
Assignee:
3310 EMERALD GROVE DRIVE
KINGWOOD, TEXAS 77345
Correspondent:
ZARLEY, MCKEE, THOMTE, ET AL
2400 RUAN CENTER
DES MOINES, IOWA 50309
Assignment: 3
Reel/Frame:
005091/0351Recorded: 03/20/1989Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/02/1989
Assignee:
3310 EMERALD GROVE DRIVE
KINGWOOD, TEXAS 77345
Correspondent:
ZARLEY, MCKEE, THOMTE
VOORHEES & SEASE
1111 COMMERCIAL FEDERAL TOWER
2120 SO. 72ND STREET
OMAHA NEBRASKA 68124

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