For the Inventor, By the Inventor

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Villers-le-Lac, France

Isa France S.a.

USPTO Granted Patents = 3

EPO Patents = 1

Forward Citations = 15

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6 inventors (with patents filed for the assignee):

Xuan Mai Tu (1 out of 8 patents)

Michel Schwab (1 out of 14 patents)

Urs Haeni (1 out of 1 patent)

4. Laurent Boillod (1 out of 1 patent)

5. Gabriel Mossuz (1 out of 1 patent)

6. Pascal Puthod (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 7891862 - Electromechanical escapement device and timepiece part utilizing such a device (2011-02-22),

2. 6958954 - Device indicating the state of batteries designed to equip a watch (2005-10-25),

3. 5446702 - Horological piece comprising a battery end of life indicator device (1995-08-29),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#1 in Villers-le-Lac

#3,965 in France

Villers-le-Lac, France

Isa France S.a.

Forward Citations = 15

6 inventors:

Xuan Mai Tu (1 out of 8 patents)

Michel Schwab (1 out of 14 patents)

Urs Haeni (1 out of 1 patent)

4. Laurent Boillod (1 out of 1 patent)

5. Gabriel Mossuz (1 out of 1 patent)

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