Keld Hansson

📍 Schaumburg, IL: #674 of 1,089 inventorsTop 65%

🗺 Illinois: #48,934 of 84,256 inventorsTop 60%

Overall (All Time): #3,898,167 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D306592	In-wall loudspeaker	—	1990-03-13