Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644202 | Blasting arrangement | Peter J Duniam, Peter J McCallum, William H Birney, Rudy W Spiessens, Vivian Edward Patz | 2003-11-11 |
| 6447732 | Incense burning assembly | — | 2002-09-10 |