JL

Jan A. K. Locker

📍 Steenwijk, NL: #5 of 19 inventorsTop 30%
Overall (All Time): #1,677,690 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4583415 Friction wheel transmission for driving a rotary sieve device 1986-04-22
4313823 Sieve device for separating a mixture of particulate material in components of different sizes 1982-02-02
4293407 Sieve device for separating a mixture of particulate material in components of different sizes 1981-10-06