Terence John Gapper

Follow

Person

Duffield, EN

People

Patents Grantslast 30 patents

Information Patent Grant
Mining machines
- Patent number 4,062,593
- Issue date Dec 13, 1977
- Coal Industry (Patents) Limited
- Terence John Gapper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining machines
- Patent number 4,006,935
- Issue date Feb 8, 1977
- Coal Industry (Patents) Limited
- Terence John Gapper
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining machines with extensible probe arm
- Patent number 3,984,147
- Issue date Oct 5, 1976
- Coal Industry (Patents) Limited
- Terence John Gapper
- E21 - EARTH DRILLING MINING