Norvald Gjelsvik

📍 Oslo, NO: #3 of 23 inventorsTop 15%

Overall (1982): #40,892 of 81,411Top 55%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4352574	Mixer-settler apparatus	—	1982-10-05