Per-Arne Lis

📍 Järfälla, SE: #135 of 260 inventorsTop 55%

Overall (All Time): #4,116,168 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4213405	Water-cooled grate	Karl A. Olausson	1980-07-22