Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656412 | Compaction system for particles in particle filled cavities of an article | Martin T. Garthaffner, Janet Thompson, Steven F. Spiers | 2003-12-02 |
| 6511549 | Vacuum cleaning wheel and vacuum applicator | Steven F. Spiers, Jeremy J. Straight | 2003-01-28 |