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For the Inventor, By the Inventor

Toronto, Canada

Gfl Environmental Inc.


USPTO Granted Patents = 1

Trademarks = 2

Forward Citations = 0

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3 inventors (with patents filed for the assignee):

goldMedal Charles O'Donnell (1 out of 2 patents)

silverMedal Neil Wiens (1 out of 1 patent)

bronzeMedal Jeffrey Thompson (1 out of 1 patent)


1 patent:

1. 10479735 - Process to produce a commercial soil additive prepared from compost and in situ oxidized sulphur and soil additive so formed (2019-11-19),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#935 in Toronto

#9,437 in Canada

Toronto, CA
Toronto, Canada

Gfl Environmental Inc.

Forward Citations = 0

3 inventors:

goldMedal Charles O'Donnell (1 out of 2 patents)

silverMedal Neil Wiens (1 out of 1 patent)

bronzeMedal Jeffrey Thompson (1 out of 1 patent)

Please report any incorrect information to [email protected]
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