Pierre Hersberger

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Neuchatel, CH

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Patents Grantslast 30 patents

Information Patent Grant
Control device for an electronic watch
- Patent number 4,196,582
- Issue date Apr 8, 1980
- Ebauches S.A.
- Pierre Hersberger
- G04 - HOROLOGY
Information Patent Grant
Electronic circuit for a quartz crystal watch
- Patent number 4,133,169
- Issue date Jan 9, 1979
- Ebauches S.A.
- Igor Scherrer
- G04 - HOROLOGY
Information Patent Grant
Electronic chronograph
- Patent number 4,094,138
- Issue date Jun 13, 1978
- Ebauches S.A.
- Fernand Chetelat
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece
- Patent number 4,081,951
- Issue date Apr 4, 1978
- Ebauches S.A.
- Pierre Hersberger
- G04 - HOROLOGY
Information Patent Grant
Device in a time piece for feeding an electro-luminescent display
- Patent number 4,011,557
- Issue date Mar 8, 1977
- Ebauches S.A.
- Fernand Chetelat
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Device for the maintenance and control of the oscillations of the b...
- Patent number 3,965,667
- Issue date Jun 29, 1976
- Ebarches S.A.
- Igor Scherrer
- G04 - HOROLOGY
Information Patent Grant
Control device for setting a timepiece
- Patent number 3,943,696
- Issue date Mar 16, 1976
- Ebauches S.A.
- Hubert Portmann
- G04 - HOROLOGY
Information Patent Grant
Correcting device for an electronic watch
- Patent number 3,931,703
- Issue date Jan 13, 1976
- Ebauches S.A.
- Igor Scherrer
- G04 - HOROLOGY