JB

Joseph J. Butchko

📍 Calgary, CA: #1,801 of 5,407 inventorsTop 35%
Overall (All Time): #2,366,898 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D266325 Telephone console 1982-09-28
4335280 Telephone construction 1982-06-15