DF

David Fischer

QS Q.E.D. Environmental Systems: 2 patents #1 of 3Top 35%
📍 Ann Arbor, MI: #214 of 1,078 inventorsTop 20%
🗺 Michigan: #2,033 of 10,747 inventorsTop 20%
Overall (2019): #181,109 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10307805 Landfill gas wellhead cap assembly Kenneth L. Niehaus 2019-06-04
10272356 Air stripper system and method Bryan D. Spicer 2019-04-30