JK

John A. Kopala

UI University Technologies International: 2 patents #28 of 141Top 20%
📍 Calgary, CA: #1,801 of 5,407 inventorsTop 35%
Overall (All Time): #2,318,507 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5042478 Method of ventilation using nares seal John Remmers 1991-08-27
4919128 Nasal adaptor device and seal John Remmers 1990-04-24