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John Martin Halliwell — 3 Patents in 2023

Clinton, CA: #1 of 1 inventorsTop 100%

Overall (2023): #74,232 of 537,848Top 15%

3 Patents 2023

Issued Patents 2023

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
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