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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
12/16/1986
Application #:
06790834
Filing Dt:
10/24/1985
Inventors:
KURT E. HEIKKILA, RODNEY K. WILLIAMS, RUSSELL J. PYLKKI
Title:
ANALYSIS OF ORGANIC COMPOUNDS IN BATHS USED IN THE MANUFACTURE OF PRINTED CIRCUIT BOARD USING NOVEL CHROMATOGRAHIC METHODS
Assignment: 1
Reel/Frame:
004492/0292Recorded: 12/04/1985Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
11/21/1985
Exec Dt:
11/21/1985
Exec Dt:
11/21/1985
Assignee:
Correspondent:
MERCHANT, GOULD, SMITH, EDELL, WELTER
& SCHMIDT
1000 NW NATIONAL BANK BLDG.,
ST. PAUL, MN 55101
Assignment: 2
Reel/Frame:
005994/0683Recorded: 01/29/1992Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
06/25/1987
Assignee:
A CORPORATION OF DE
1997 MARKET ST.,
WILMINGTON, DELAWARE
Correspondent:
E.I. DUPONT DE NEMOURS & COMPANY
ATTN: ANDREW G. GOLIAN
LEGAL DEPARTMENT
WILMINGTON, DELAWARE 19898
Assignment: 3
Reel/Frame:
006032/0176Recorded: 02/26/1992Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
02/04/1992
Assignee:
50 PUBLIC SQUARE - #1250
CLEVELAND, OHIO 44113-2251
Correspondent:
JAMES A. LUCAS
MCGEAN-ROHCO, INC.
TERMINAL TOWER BUILDING
50 PUBLIC SQUARE, #1250
CLEVELAND, OH 44113-2251

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