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Patent Assignment Details
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Reel/Frame:005297/0180   Pages: 3
Recorded: 04/04/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 1
1
Patent #:
Issue Dt:
04/09/1991
Application #:
07504603
Filing Dt:
04/04/1990
Title:
EXTENSION BAR FOR BLAST FURNACE TAP HOLE DRILL
Assignors
1
Exec Dt:
03/30/1990
2
Exec Dt:
03/30/1990
Assignee
1
P.O. BOX 851 CLAY AVENUE
A CORP OF PA
MARS, PENNSYLVANIA 16046
Correspondence name and address
WALDRON & ASSOCIATES
2120 L. STREET, N.W.
SUITE 200
WASHINGTON, DC 20037

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