Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8574481 | Process and apparatus for molding a shingle, for cooling a shingle, for applying a curvature thereto and carrier plate for facilitating the process | Thomas Kevin MacKinnon, Douglas H. Wylie, David Nelson | 2013-11-05 |
| 6487938 | Paper drill bit | — | 2002-12-03 |
| 6318546 | Pallet retention and release system | — | 2001-11-20 |