LH

LeRoy H. Haefner

MA Macklanburg-Duncan: 2 patents #2 of 4Top 50%
📍 Edmond, OK: #219 of 633 inventorsTop 35%
🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%
Overall (All Time): #2,344,149 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4685219 Spirit level Stephen Rhodes 1987-08-11
4534117 Spirit level Stephen Rhodes 1985-08-13