JH

John Martin Halliwell

📍 Clinton, CA: #2 of 10 inventorsTop 20%
Overall (All Time): #1,389,267 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11742794 Frame with plenum for supporting a photovoltaic array 2023-08-29
11613864 Secant concrete shoring using helical piles for depth 2023-03-28
11614259 Ground heat exchanger 2023-03-28