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| Number | Title | Issue Date |
| 4601761 | Nozzle for self-contained cutting torches A self contained jet perforator torch (10) for defining large holes (H) in workpiece (W) such as a large bomb, includes a plurality of ports (68) fluidically connecting a combustion chamber with a slot-like chamber (62). The ports and the slot-like chambe... | 07/22/1986 |
| 4084078 | Jet perforator device A device for perforating or cutting a target made of metal or other materials by means of a plasma jet. The device includes a cast grain of plasma producing pyrotechnic material that is coated over a major portion of its exterior surface with a combustion... | 04/11/1978 |