KD

Karl J. Douglass

📍 Doylestown, PA: #29 of 92 inventorsTop 35%
🗺 Pennsylvania: #1,500 of 5,512 inventorsTop 30%
Overall (2002): #180,917 of 266,432Top 70%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6418951 Hand grip and ball glide for a walker — 2002-07-16