Ralf Ekholm

EG Elevator Gmbh: 1 patents #1 of 5Top 20%

📍 Helsinki, FI: #3 of 26 inventorsTop 15%

Overall (1982): #37,817 of 81,411Top 50%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4346789	Lift battery control system	—	1982-08-31