IJ

Ian R. Johnston

📍 Tumbarumba, NV: #1 of 1 inventorsTop 100%
Overall (1982): #57,608 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4340474 Converging flow filter 1982-07-20