Etobicoke
Canada
4
2023-02-23
The entities that hold a legal rights for patent applications filed by inventor Morrison Douglas:
Douglas Morrison from Etobicoke, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
METHODS OF TREATING METAL MINE TAILINGS
#2 | 2022-05-26Vehicle and process for moving coarse ore
#3 | 2019-01-17Drill and blast method and apparatus for the same
#4 | 2015-07-30Drill and blast method and apparatus for the same
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