About 1 Trademarks found for “MULTI RATE CONVOLUTION”

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669009
EXPUNGED

on 31 Dec 1969

MULTI RATE CONVOLUTION

DIAGNOSTIC ENGINEERING INC.

669009 · 16 Oct 1990

042

Automatic acoustic buildup testing of oil pumping wells, gas well buil...

Country

Canada

CA

Status

All

Registered

Pending

Abandoned

Other

Owners

Diagnostic engineering inc. (1)

Categories

Class 42 (1)

Correspondents

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