For the Inventor, By the Inventor

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Vancouver, Canada

Sandwell and Company Limited

USPTO Granted Patents = 1

Forward Citations = 20

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1 inventor (with patents filed for the assignee):

Brian Robin Blackwell (1 out of 6 patents)

1 patent: Sort by Forward Citations

1. 4668342 - Recausticizing kraft green liquor (1987-05-26),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#558 in Vancouver

#9,180 in Canada

Vancouver, Canada

Sandwell and Company Limited

Forward Citations = 20

1 inventor:

Brian Robin Blackwell (1 out of 6 patents)

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