DW

David J. Wendell

CU Cummins-Allison: 11 patents #28 of 120Top 25%
📍 Darien, IL: #22 of 266 inventorsTop 9%
🗺 Illinois: #8,017 of 84,256 inventorsTop 10%
Overall (All Time): #452,993 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10964148 Coin sorting system coin chute James M. Rasmussen, John R. Blake 2021-03-30
10181234 Coin sorting head and coin processing system using the same James M. Rasmussen, John R. Blake 2019-01-15
10089812 Systems, methods and devices for processing coins utilizing a multi-material coin sorting disk John R. Blake, Douglas U. Mennie, Ricky Newsom, James M. Rasmussen, Marianne Krbec 2018-10-02
RE44689 Optical coin discrimination sensor and coin processing system using the same John R. Blake, Joseph J. Geib, John C. Peklo, Richard A. Mazur, David J. Mecklenburg 2014-01-07
7963382 Optical coin discrimination sensor and coin processing system using the same John R. Blake, Joseph J. Geib, John C. Peklo, Richard A. Mazur, David J. Mecklenburg 2011-06-21
7743902 Optical coin discrimination sensor and coin processing system using the same John R. Blake, Joseph J. Geib, John C. Peklo, Richard A. Mazur, David J. Mecklenburg 2010-06-29
7427230 Resilient pad for disc-type coin processing device John R. Blake 2008-09-23
7188720 Disc-type coin processing device having improved coin discrimination system Joseph J. Geib, John R. Blake, Scott D. Casanova, David J. Mecklenburg, Eric J. Strauts 2007-03-13
6988606 Coin processing machine and method for discriminating coins of varied composition, thickness, and diameter Joseph J. Geib, John R. Blake, Scott D. Casanova, David J. Mecklenburg, Eric J. Strauts 2006-01-24
6892871 Sensor and method for discriminating coins of varied composition, thickness, and diameter Eric J. Strauts, David J. Mecklenburg, Joseph J. Geib, John R. Blake, Scott D. Casanova 2005-05-17
6755730 Disc-type coin processing device having improved coin discrimination system Joseph J. Geib, John R. Blake, Scott D. Casanova, David J. Mecklenburg, Eric J. Strauts 2004-06-29