FS

Fred Evans, Sr.

📍 Rockville, MD: #836 of 2,038 inventorsTop 45%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #2,210,946 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6354103 Vertical heat exchange unit — 2002-03-12
6085536 Environmentally adaptive VAC exterior heat exchange unit — 2000-07-11