DH

Donald Lee Hamilton

EV Evapco: 1 patents #6 of 21Top 30%
🗺 Maryland: #1,105 of 3,967 inventorsTop 30%
Overall (2021): #471,696 of 548,734Top 90%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11156392 Method and apparatus for staged startup of air-cooled low charged packaged ammonia refrigeration system Jake William Denison, Samuel K. Vineyard, II 2021-10-26