Donald C. True

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Brownsburg, CA

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Patents Grantslast 30 patents

Information Patent Grant
Delay initiator for blasting
- Patent number 5,293,821
- Issue date Mar 15, 1994
- ICI Canada Inc.
- Donald C. True
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Electric exploding bridge wire initiators
- Patent number 5,070,789
- Issue date Dec 10, 1991
- CXA Ltd./CXA Ltee
- Donald C. True
- C06 - EXPLOSIVES MATCHES
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
Initiating system
- Patent number 4,870,902
- Issue date Oct 3, 1989
- CXA Ltd./ CXA LTEE
- James R. Simon
- F42 - AMMUNITION BLASTING
Information Patent Grant
Delay initiator for blasting
- Patent number 4,821,646
- Issue date Apr 18, 1989
- CXA Ltd./CXA Ltee
- Donald C. True
- F42 - AMMUNITION BLASTING