SJ

Steven A. Johnson

DC Donaldson Company: 3 patents #4 of 75Top 6%
ME Meta-C: 1 patents #1 of 1Top 100%
📍 Williams, MN: #1 of 1 inventorsTop 100%
🗺 Minnesota: #85 of 4,549 inventorsTop 2%
Overall (2002): #7,574 of 266,432Top 3%
5
Patents 2002

Issued Patents 2002

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6488746 Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter Kristofer G. Kosmider, Thomas D. Raether 2002-12-03
6415253 Method and apparatus for enhancing noise-corrupted speech 2002-07-02
6387162 Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter Kristofer G. Kosmider, Thomas D. Raether 2002-05-14
6368388 Filter construction apparatus and method Kristofer G. Kosmider, James A. Severson, Thomas D. Raether, Robert Bick 2002-04-09
6364921 Air filter assembly for filtering air having particulate matter Thomas D. Raether, Kristofer G. Kosmider 2002-04-02