DH

Douglas J. Halpin

📍 West Linn, OR: #142 of 419 inventorsTop 35%
🗺 Oregon: #8,503 of 28,073 inventorsTop 35%
Overall (All Time): #1,291,544 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
RE35401 Suspension for bicycles Stephen R. Wilson 1996-12-17
5269549 Suspension for bicycles Stephen R. Wilson 1993-12-14
5238259 Quick release dropout for bicycle wheel Stephen R. Wilson 1993-08-24
5193832 Suspension for bicyles Stephen R. Wilson 1993-03-16