David M. Welsh

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South Brownsburg, CA

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Patents Grantslast 30 patents

Information Patent Grant
Multi-directional initiator for explosives
- Patent number 5,024,158
- Issue date Jun 18, 1991
- Imperial Chemical Industries PLC
- David L. Kennedy
- F42 - AMMUNITION BLASTING
Information Patent Grant
Multi-directional initiator for explosives
- Patent number 4,947,751
- Issue date Aug 14, 1990
- Imperial Chemical Industries, PLC
- David L. Kennedy
- F42 - AMMUNITION BLASTING
Information Patent Grant
Detonating device
- Patent number 4,292,896
- Issue date Oct 6, 1981
- CXA Ltd./CXA Ltee
- William B. Morrey
- F42 - AMMUNITION BLASTING