CP

Charles Phelan

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Fort Worth, TX: #829 of 2,247 inventorsTop 40%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,357,130 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4437413 Folding structure employing a Sarrus linkage Edward D. O'Brian 1984-03-20
4390072 Drill bit lubricant circulation system — 1983-06-28