RL

Roger Elwin Larkey

📍 Perryton, TX: #4 of 17 inventorsTop 25%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,139,569 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7601081 Apparatus for teaching improved pitching mechanics of a pitcher — 2009-10-13
4978121 Portable pitching practice system — 1990-12-18