Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9022718 | Safety mechanism for a paper stack cart system | Ronald E Groth, Charles R Brewer, III | 2015-05-05 |
| 8220297 | Paper tray locking apparatus | Charles R Brewer, III, George P Powers | 2012-07-17 |
| 8192134 | Lifting mechanism with a tilting platform for transferring paper stacks | Charles R Brewer, III | 2012-06-05 |
| 8147175 | Stacker cart | Charles R Brewer, III | 2012-04-03 |
| 8105006 | Stacker cart | Charles R Brewer, III, Timothy J. Kelley, Gary A. Kelpin | 2012-01-31 |
| 7974547 | Heat exhaust plenum attach/detach mechanism | Charles R Brewer, III | 2011-07-05 |
| 7861997 | Releasable deck mount for shipboard printers | Charles R Brewer, III | 2011-01-04 |