LS

Leonard W. Stephens

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Fairview, PA: #35 of 90 inventorsTop 40%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,682,358 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4478601 Coal briquette and method 1984-10-23
4317392 Ratchet wrench Mack Salladay 1982-03-02
4297924 Ratchet wrench 1981-11-03