BC

Ben B. Christophersen

📍 Auburn, WA: #286 of 480 inventorsTop 60%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #4,101,789 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4304195 Head gate for pen confining structure — 1981-12-08