DH

David H. C. Harvey

📍 Poynings, GB: #2 of 2 inventorsTop 100%
Overall (All Time): #2,324,868 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D309026 Ladder stabilizer Ian G. Menelaus 1990-07-03
4798263 Ladder stabilizer Ian G. Menelaus 1989-01-17