Paul A. Marshall

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Chester, GB

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Patents Grantslast 30 patents

Information Patent Grant
Process of manufacturing a glass substrate for a magnetic disk
- Patent number 5,895,582
- Issue date Apr 20, 1999
- Pilkington plc
- Christopher John Wilson
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disc substrate having a surface texture of non o...
- Patent number 5,681,636
- Issue date Oct 28, 1997
- Pilkington plc
- Paul Andrew Marshall
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Substrate for a magnetic disc and manufacture thereof
- Patent number 5,499,731
- Issue date Mar 19, 1996
- Pilkington plc
- Paul A. Marshall
- B82 - NANO-TECHNOLOGY