DH

Donald R. Herpel

📍 Southfield, MI: #215 of 906 inventorsTop 25%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,301,182 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D306572 Bumper spoiler — 1990-03-13
D287581 Air dam — 1987-01-06
D287114 Side fairing — 1986-12-09
4290639 Wind deflector — 1981-09-22