Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D641029 | Apparatus for adjustable stacker bar assembly having quick change features | Elmer Christian Pennewaard, Thomas Uhl | 2011-07-05 |
| 7814766 | System and apparatus for adjustable stacker bar assembly having vertical accommodation features | Elmer Christian Pennewaard, Nicu Lepadatu | 2010-10-19 |
| 7765833 | Apparatus for adjustable stacker bar assembly having quick change features | Elmer Christian Pennewaard, Thomas Uhl | 2010-08-03 |