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| Patents for Duane G. Schroeder | |||||
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| Picture | Number | Date | Patentee | Title | |
| 6,551,220 | Apr. 22, 2003 | D.G. Schroeder | Bicycle trainer | ||
| 6,945,916 | Sep. 20, 2005 | D.G. Schroeder | Bicycle trainer | ||
| 6,948,424 | Sep. 27, 2005 | D.G. Schroeder, R.J. Koski | Material compaction apparatus | ||
| 7,481,748 | Jan. 27, 2009 | D.G. Schroeder | Locking mechanism for a bicycle trainer | ||
| 7,998,032 | Aug. 16, 2011 | D.G. Schroeder | Bicycle trainer | ||
| 7,998,033 | Aug. 16, 2011 | D.G. Schroeder | Locking mechanism for a bicycle trainer | ||