Raoul-Henri Erard

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2300-La Chaux-de-Fonds, CH

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus dial and watch
- Patent number 4,982,388
- Issue date Jan 1, 1991
- Raoul-Henri Erard
- G04 - HOROLOGY
Information Patent Grant
Watch with indicator of lunar phases
- Patent number 4,548,512
- Issue date Oct 22, 1985
- Raoul-Henri Erard
- G04 - HOROLOGY
Information Patent Grant
Watch, the back cover of which constitutes a plate
- Patent number 4,461,580
- Issue date Jul 24, 1984
- Sintel S.A.
- Raoul-Henri Erard
- G04 - HOROLOGY
Information Patent Grant
Ultra-flat electronic watch
- Patent number 4,382,690
- Issue date May 10, 1983
- Ebauches, S.A.
- Raoul H. Erard
- G04 - HOROLOGY
Information Patent Grant
Timepiece
- Patent number 3,945,197
- Issue date Mar 23, 1976
- Ebauches S.A.
- Raoul-Henri Erard
- G04 - HOROLOGY