LH

Leo A. Heintzelman

📍 Wyoming, MI: #102 of 261 inventorsTop 40%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,372,506 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4198944 Spark plug adapter and process — 1980-04-22
4182281 Spark plug adapter and process — 1980-01-08