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Thomas Jay Leppien

AI Access Business Group International: 2 patents #9 of 61Top 15%
📍 Grand Haven, MI: #2 of 31 inventorsTop 7%
🗺 Michigan: #847 of 6,781 inventorsTop 15%
Overall (2011): #62,442 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8021469 Control methods for an air treatment system Thomas A. Niezgoda, Gregory K. Evans 2011-09-20
7932618 Miniature hydro-power generation system power management David W. Baarman, Terry L. Lautzenheiser, Christopher B. Houghton, Stephen J. McPhilliamy 2011-04-26