Jaakko Martikainen

OA Oy Wartsila Ab: 1 patents #4 of 19Top 25%

📍 Joensuu, FI: #2 of 3 inventorsTop 70%

Overall (1982): #55,894 of 81,411Top 70%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4320640	Adjustable cylinder lock	—	1982-03-23