Alan Crawshay — 1 Patent at Cominco

Alan Crawshay has been granted 1 US patent while listed as an inventor at Cominco. All of these patents were granted in 1980. Alan Crawshay ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Alan Crawshay in Trail, BC, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4235256	Damper assembly for gas duct	—	1980-11-25	$10,254,000

Alan Crawshay — 1 Patent

Issued Patents All Time

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