W. F. N. Stephens

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Badminton, GB

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Patents Grantslast 30 patents

Information Patent Grant
Opto-electronic scale-reading apparatus
- Patent number 4,974,962
- Issue date Dec 4, 1990
- Renishaw plc
- W. F. N. Stephens
- G02 - OPTICS
Information Patent Grant
Interpolation apparatus
- Patent number 4,949,289
- Issue date Aug 14, 1990
- Renishaw plc
- W. F. Noel Stephens
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of producing a metrological scale and scale produced by such...
- Patent number 4,926,566
- Issue date May 22, 1990
- Renishaw plc
- D. R. McMurtry
- G02 - OPTICS