JH

John Hay-Heddle

📍 Mansfield, GB: #2 of 13 inventorsTop 20%
Overall (2021): #398,147 of 548,734Top 75%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11149683 Internal combustion engine Elliot Powick 2021-10-19