Joseph Clarinval

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Rotkreuz, CH

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Patents Grantslast 30 patents

Information Patent Grant
Device for the thermal erasure of mechanically readable optical mar...
- Patent number 4,376,887
- Issue date Mar 15, 1983
- LGZ Landis & Gyr Zug AG
- David L. Greenaway
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for storing and reading data
- Patent number 4,172,554
- Issue date Oct 30, 1979
- LGZ Landis & Gyr Zug AG
- Joseph Clarinval
- G06 - COMPUTING CALCULATING COUNTING