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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
06/23/1998
Application #:
08642427
Filing Dt:
05/03/1996
Inventors:
MARTIN P. RIGNEY, RICHARD J. MEHUS, MARK J. TOETSCHINGER, JOHN R. SPRIGGS
Title:
METHOD AND APPARATUS FOR MEASURING AND CONTROLLING ACTIVE OXYGEN CONCENTRATION IN A BLEACH ENVIRONMENT
Assignment: 1
Reel/Frame:
007993/0317Recorded: 05/03/1996Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/24/1996
Exec Dt:
05/01/1996
Exec Dt:
04/24/1996
Exec Dt:
04/24/1996
Assignee:
ECOLAB CENTER
ST. PAUL, MINNESOTA 55102
Correspondent:
MERCHANT, GOULD, SMITH, ET AL.
BRIAN H. BATZLI
1000 NORWEST CENTER
55 EAST FIFTH STREET
ST. PAUL, MN 55101-1785
Assignment: 2
Reel/Frame:
056796/0634Recorded: 07/08/2021Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/01/2009
Assignee:
370 N. WABASHA STREET
ST. PAUL, MINNESOTA 55102
Correspondent:
MERCHANT & GOULD
PO BOX 2903
MINNEAPOLIS, MN 55402
Assignment: 3
Reel/Frame:
056862/0287Recorded: 07/13/2021Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/01/2009
Assignee:
370 N. WABASHA STREET
ST. PAUL, MINNESOTA 55102
Correspondent:
MERCHANT & GOULD
PO BOX 2903
MINNEAPOLIS, MN 55402

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