HZ

Hans Zingl

IN Ingersoll-Rand: 1 patents #412 of 828Top 50%
CT Cooper Technologies: 1 patents #306 of 757Top 45%
📍 Dallas, TX: #3,077 of 7,543 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,354,759 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4539893 Power feed system for a rotary drill — 1985-09-10
4194419 Drill pipe handling mechanism Ray M. Mitchhart 1980-03-25