Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7766070 | Method of operating a die casting reciprocator | David R. Thomason, David E. Bumpus, Olen L. Marshall | 2010-08-03 |
| 7516774 | Method of operating a die casting reciprocator | David R. Thomason, David E. Bumpus, Olen L. Marshall | 2009-04-14 |
| 7299855 | Die casting reciprocator safety bar | David R. Thomason, David E. Bumpus, Olen L. Marshall | 2007-11-27 |