RH

Robert L. Holland

OE Otis Engineering: 1 patents #5 of 29Top 20%
📍 Ventura, CA: #4 of 26 inventorsTop 20%
🗺 California: #1,105 of 6,198 inventorsTop 20%
Overall (1982): #34,620 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4354554 Well safety valve Michael Bozich Calhoun, Paul D. Scott 1982-10-19