Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878221 | Lead-free nontoxic explosive mix | George C. Mei | 2005-04-12 |
| 5567252 | Nontoxic priming mix | George C. Mei | 1996-10-22 |
| 5417160 | Lead-free priming mixture for percussion primer | George C. Mei | 1995-05-23 |
| 5167736 | Nontoxic priming mix | George C. Mei | 1992-12-01 |