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About 2 Trademarks found for “TUFFWELD”

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TUFFWELD*

TUFF*

*ELD

TU*LD

405456
REGISTERED

on 29 May 1981

TUFFWELD

NATIONAL OILWELL VARCO L.P. A LIMITED PARTNERSHIP ORGANIZED UNDER THE LAWS OF DELAWARE

405456 · 20 Dec 1976

006

Tool joints, welded to pipe to be used solely in connection with the d...

354182
EXPUNGED

on 3 Jun 1988

TUFFWELD

KERT CHEMICAL INDUSTRIES INC.

354182 · 12 Jun 1972

007

Welding electrodes.

Owners

Kert chemical industries inc. (1)

National oilwell varco l.P. a limited partnership organized under the laws of delaware (1)

Categories

Class 6 (1)

Class 7 (1)

Correspondents

Smart & biggar lp (1)

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