KT

Kjell T. Tollefsen

📍 Ivoryton, CT: #20 of 38 inventorsTop 55%
🗺 Connecticut: #21,355 of 34,797 inventorsTop 65%
Overall (All Time): #4,061,676 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4418605 Keyboard for musical instrument Albert W. Nordquist 1983-12-06