| Patents for F42B 4 - Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes (4,103) | |
|---|---|
| 05/1976 | |
| 05/04/1976 | US3954059 Pyrotechnic signal with collapsible handle |
| 03/1976 | |
| 03/09/1976 | US3942442 Novel duo-material case for pyrotechnic flares |
| 02/1976 | |
| 02/17/1976 | US3938444 Flare cartridge |