Per Nitteberg

📍 Ås, NO: #9 of 37 inventorsTop 25%

Overall (All Time): #4,109,502 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4196771	Ventilator with heat exchanger	—	1980-04-08