About 1 Trademarks found for “ZONELOCK”

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314034
REGISTERED

on 09 May 1969

ZONELOCK

DOWELL SCHLUMBERGER INCORPORATED (A DELAWARE CORPORATION)

314034 · 15 Jun 1968

040

042

Chemical treatment of wells and underground earth formations.

Country

Canada

CA

Status

All

Registered

Pending

Abandoned

Other

Owners

Dowell schlumberger incorporated (a delaware corporation) (1)

Categories

Class 40 (1)

Class 42 (1)

Correspondents

Gowling wlg (canada) llp (1)

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