EJ

Evan Fair Johnson

📍 Washington, DC: #1,663 of 3,063 inventorsTop 55%
🗺 District of Columbia: #1,663 of 3,063 inventorsTop 55%
Overall (All Time): #2,955,660 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9709447 Thermal energy metering using an enthalpy sensor Arnoud Bruins Jan van Houten 2017-07-18