PS

Percy W. Schumacher

RB Reed Rock Bit: 1 patents #1 of 4Top 25%
📍 Houston, TX: #107 of 558 inventorsTop 20%
🗺 Texas: #432 of 2,272 inventorsTop 20%
Overall (1982): #38,671 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4334586 Inserts for drilling bits — 1982-06-15