4. Ammunition and explosives
  5. Blasting
  6. Detonation wave modifying

John D. Loehr

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Perforating system with shaped charge case having a modified...

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Concave-shaped charge
Reexamination Certificate

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Sintered tungsten liners for shaped charges

Ammunition and explosives – Blasting – Detonation wave modifying
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2585289

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