JB

Joseph J. Butchko

📍 Calgary, CA: #2 of 57 inventorsTop 4%
Overall (1982): #12,019 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

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