EW

Edward Wechner

JT Joy Technologies: 4 patents #1 of 6Top 20%
📍 Kiama, AU: #1 of 3 inventorsTop 35%
Overall (1989): #5,381 of 140,708Top 4%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4865184 Chain conveyor drive 1989-09-12
4856384 Roof bolt drill pot drive 1989-08-15
4828327 Bit holder for miner 1989-05-09
4813530 Conveyor drive for miner 1989-03-21