DR

Darrall Rigby

📍 Calgary, CA: #1,801 of 5,407 inventorsTop 35%
Overall (All Time): #2,238,645 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6070500 Rotatable die holder Jiri Dlask 2000-06-06
6003412 Back-up tong body Jiri Dlask 1999-12-21