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Inventor
Carrier Guy
CA
2 patents
Patents
2 patents
US10683044B2
Jun 16, 2020
Track changing apparatus and methods associated therewith
DEW ENG AND DEVELOPMENT ULC
2 citations
66
US9981704B2
May 29, 2018
Track changing apparatus and methods associated therewith
DEW ENG AND DEVELOPMENT ULC
3 citations
66