United States Patent 3517615
Inventors:
Jacobs, Sigmund J.
Publication Date:
06/30/1970
International Classes:
F42B1/00; F24B1/00; F24D1/00
US Patent References:
| 2698575 | Charge for seismic exploration | | | |
| 3013491 | Multiple-jet shaped explosive charge perforating device | | | |
| 3027838 | Shaped charge | | | |
| 3045524 | Booster cup and method of making same | | | |