John Jerold Ridgeway

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Patents Grantslast 30 patents

Information Patent Grant
Shaped explosive charge device for under water use
- Patent number 4,160,413
- Issue date Jul 10, 1979
- Imperial Chemical Industries Limited
- John J. Ridgeway
- F42 - AMMUNITION BLASTING
Information Patent Grant
Shaped explosive charge device for underwater use
- Patent number 4,151,798
- Issue date May 1, 1979
- Imperial Chemical Industries Limited
- John J. Ridgeway
- F42 - AMMUNITION BLASTING
Information Patent Grant
Safe detonator device
- Patent number 4,006,687
- Issue date Feb 8, 1977
- Imperial Chemical Industries Limited
- John Jerold Ridgeway
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Nitroparaffin explosive composition containing hydrazine and diethy...
- Patent number 3,980,510
- Issue date Sep 14, 1976
- Imperial Chemical Industries Limited
- John Jerold Ridgeway
- C06 - EXPLOSIVES MATCHES