JK

John B. Kalvag

📍 Lillehammer, NO: #17 of 19 inventorsTop 90%
Overall (All Time): #3,945,997 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4722329 Apparatus for the treatment of patients with lumbar back ailments or the like in a water environment 1988-02-02