Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576094 | Fabrication of expandable polystyrene plastic ignition containers | — | 1986-03-18 |
| 4542695 | Contoured configured detonating cord and detonator | Robert E. Betts, John F. Crawford | 1985-09-24 |