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About 1 Trademarks found for “POLYBLOCK”

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515969
EXPUNGED

on 3 Jul 2001

POLYBLOCK

BORDEN INC.

515969 · 27 Jan 1984

005

Formation blocking agent for use in oil wells.

Owners

Borden inc. (1)

Categories

Class 5 (1)

Correspondents

Marks & clerk (1)

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