For the Inventor, By the Inventor

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Issy-les-Moulineaux, France

Equipments Automobiles Marchal

USPTO Granted Patents = 3

Forward Citations = 99

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4 inventors (with patents filed for the assignee):

Serge Guipaud (1 out of 2 patents)

Roland R Guichard (1 out of 4 patents)

Maurice F Wattier (1 out of 3 patents)

4. Rene-Louis Hamelin (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4802374 - Device for controlling the displacement of an element, in particular of (1989-02-07),

2. 4527524 - Method and device to vary the ignition timing angle to avoid pinging in (1985-07-09),

3. 4444071 - Method for assembling a worm screw motor-reduction gearbox combination (1984-04-24),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#36 in Issy-les-Moulineaux

#3,956 in France

Issy-les-Moulineaux, France

Equipments Automobiles Marchal

Forward Citations = 99

4 inventors:

Serge Guipaud (1 out of 2 patents)

Roland R Guichard (1 out of 4 patents)

Maurice F Wattier (1 out of 3 patents)

4. Rene-Louis Hamelin (1 out of 1 patent)

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