Hans Ulrich Klingenberg

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St. Niklaus near Merzligen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Four-sided water-resistant watch-case
- Patent number 4,075,828
- Issue date Feb 28, 1978
- Century Time Limited
- Hans Ulrich Klingenberg
- G04 - HOROLOGY
Information Patent Grant
Four-sided water-resistant watch-case
- Patent number 4,002,020
- Issue date Jan 11, 1977
- Century Time Ltd.
- Hans Ulrich Klingenberg
- G04 - HOROLOGY