MH

Mark S. Harkema

DE Dematic: 3 patents #29 of 178Top 20%
RA Rapistan Systems Advertising: 2 patents #26 of 82Top 35%
Overall (All Time): #1,026,381 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7841461 Roller transport conveyor and method Thanh Van Nguyen, Dennis J. Schuitema, Wayne A. Moshauer 2010-11-30
7513356 Positive displacement sorter Frank Veit, Rhonda J. Verploegen, Thanh Van Nguyen 2009-04-07
7117988 Positive displacement sorter Frank Veit, Rhonda J. Verploegen, Thanh Van Nguyen 2006-10-10
6935483 Metal frame sorter with wear strip Frank Veit, Rhonda J. Verploegen 2005-08-30
6860383 Positive displacement sorter Frank Veit, Rhonda J. Verploegen, Thanh Van Nguyen 2005-03-01