Burnaby
Canada
4
2025-10-09
The entities that hold a legal rights for patent applications filed by inventor CHALMERS Douglas:
Douglas CHALMERS from Burnaby, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
CRANK IMPACT AND WEAR PROTECTION ARTICLE
#2 | 2023-07-13Chain guide
#3 | 2023-01-19Crank impact and wear protection article
#4 | 2020-10-22Chain guide
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