WH

Walter Harris

CL Coal Industry (Patents) Limited: 1 patents #2 of 8Top 25%
📍 Brantford, CA: #2 of 3 inventorsTop 70%
Overall (1989): #45,871 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4877418 Briquette treatment process Joseph Goleczka, John Pringle 1989-10-31