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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:005732/0741   Pages: 11
Recorded: 06/17/1991
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 7
1
Patent #:
Issue Dt:
03/23/1976
Application #:
05490456
Filing Dt:
07/22/1974
Title:
IMPROVED METAL DISSOLUTION PROCESS
2
Patent #:
Issue Dt:
02/20/1979
Application #:
05879554
Filing Dt:
02/21/1978
Title:
STABILIZED HYDROGEN PEROXIDE SOLUTIONS
3
Patent #:
Issue Dt:
02/13/1979
Application #:
05916327
Filing Dt:
06/15/1978
Title:
ELECTROLYTIC CELL
4
Patent #:
Issue Dt:
08/14/1979
Application #:
05916328
Filing Dt:
06/15/1978
Title:
ELECTROLYTIC PROCESS
5
Patent #:
Issue Dt:
11/25/1986
Application #:
06322998
Filing Dt:
11/19/1981
Title:
REDUCTION OF METAL CONTENT OF TREATED EFFLUENTS
6
Patent #:
Issue Dt:
09/20/1983
Application #:
06406561
Filing Dt:
08/09/1982
Title:
AUTOMATIC REVITALIZATON OF SULFIDE PROCESSING AND TREATMENT SOLUTIONS
7
Patent #:
Issue Dt:
12/25/1984
Application #:
06600888
Filing Dt:
04/16/1984
Title:
PROCESS FOR RECONDITIONING A USED COPPER ETCHING SOLUTION CONTAINING COPPER SOLUTE
Assignor
1
Exec Dt:
06/12/1991
Assignee
1
DELAWARE
Correspondence name and address
ARMSTRONG, NIKAIDO, MARMELSTEIN, ET AL.
STE. 721
500 WOOD ST.
PITTSBURGH, PA 15222

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