JH

Johan J. K. Hotma

RO Rauma-Repola Oy: 2 patents #3 of 40Top 8%
📍 Loviisa, FI: #5 of 20 inventorsTop 25%
Overall (All Time): #2,328,017 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4799425 Board press 1989-01-24
4588007 Method for retarding the dulling of wood-machining blades Pentti Raura 1986-05-13