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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
10/09/1990
Application #:
07213321
Filing Dt:
06/30/1988
Inventors:
JOHN W. WITTMANN, DONALD J. THIEL, GEORGE W. SMITH
Title:
ACTIVATED SLUDGE WASTEWATER TREATMENT PROCESS
Assignment: 1
Reel/Frame:
004894/0760Recorded: 06/30/1988Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
06/27/1988
Exec Dt:
06/27/1988
Exec Dt:
06/27/1988
Assignee:
Correspondent:
DAVID B. SMITH
MICHAEL, BEST AND FRIEDRICH
250 EAST WISCONSIN AVENUE
MILWAUKEE, WI 53202
Assignment: 2
Reel/Frame:
005094/0975Recorded: 05/05/1989Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
04/19/1989
Assignee:
1901 SOUTH PRAIRIE AVE.
WAUKESHA, WISCONSIN 53186
Correspondent:
MICHAEL, BEST & FRIEDRICH
250 EAST WISCONSIN AVE.
MILWAUKEE, WI 53202-4286
Assignment: 3
Reel/Frame:
005518/0862Recorded: 12/05/1990Pages: 16
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
11/21/1990
Assignee:
DELAWARE
Correspondent:
JOHN C. ALTMILLER
KENYON & KENYON
1025 CONNECTICUT AVENUE, N.W.
WASHINGTON, D.C. 20036

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