David H. Davies

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Cupertino, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic storage and reproducing system with a low permeability kee...
- Patent number 6,043,947
- Issue date Mar 28, 2000
- Ampex Corporation
- Beverley R. Gooch
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording system having a saturable layer and detection us...
- Patent number 5,870,260
- Issue date Feb 9, 1999
- Ampex Corporation
- David H. Davies
- G11 - INFORMATION STORAGE
Information Patent Grant
Particulate magnetic medium utilizing keeper technology and methods...
- Patent number 5,843,565
- Issue date Dec 1, 1998
- Ampex Corporation
- David H. Davies
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic storage and reproducing system with a low permeability kee...
- Patent number 5,830,590
- Issue date Nov 3, 1998
- Ampex Corporation
- Beverley R. Gooch
- G11 - INFORMATION STORAGE
Information Patent Grant
Cover assembly for optical recording medium
- Patent number 4,499,477
- Issue date Feb 12, 1985
- Minnesota Mining and Manufacturing Company
- David H. Davies
- G11 - INFORMATION STORAGE