DM

Don V. Mathsen

📍 Mayville, ND: #39 of 197 inventorsTop 20%
🗺 North Dakota: #457 of 2,395 inventorsTop 20%
Overall (All Time): #1,211,993 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9040289 Gravity assisted compost reactor Calvin R. Tininenko, Rodney J. Kleven, Evan P. Andrist 2015-05-26
8048668 System and method of aeration for compost processes Calvin R. Tininenko, Rodney J. Kleven 2011-11-01
6892968 Nozzle assembly for use in the treatment of waste water John R. Rindt 2005-05-17
6877726 Saturation vessel for use in the treatment of waste water John R. Rindt 2005-04-12