WP

William D. Polzen

📍 Lake Oswego, OR: #55 of 130 inventorsTop 45%
🗺 Oregon: #1,647 of 4,070 inventorsTop 45%
Overall (2016): #184,793 of 481,213Top 40%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9482053 Ladder safety device and method of attachment — 2016-11-01