RB

Robert E. Barrows

IN Ingersoll-Rand: 1 patents #3 of 23Top 15%
📍 Fincastle, VA: #1 of 1 inventorsTop 100%
🗺 Virginia: #200 of 1,067 inventorsTop 20%
Overall (1989): #64,679 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4836306 Down hole drill chuck lock — 1989-06-06