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Piers St John Spencer Cave

Overall (2023): #294,488 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11656035 Heat storing and heat transfer systems incorporating a secondary chamber selectively moveable into a primary heat storage member 2023-05-23