LP

Leroy V. Phiffer

📍 Cheyenne, WY: #99 of 197 inventorsTop 55%
🗺 Wyoming: #857 of 1,797 inventorsTop 50%
Overall (All Time): #3,966,793 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4637668 Locomotive safety device David R. Kleffman 1987-01-20