MD

Mark D. Doublin

BS Bell Sports: 2 patents #1 of 5Top 20%
📍 Fullerton, CA: #7 of 54 inventorsTop 15%
🗺 California: #9,729 of 55,090 inventorsTop 20%
Overall (2025): #105,068 of 469,880Top 25%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1086580 Helmet 2025-07-29
D1063221 Helmet 2025-02-18