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Etat Francais, Represente Par Le Ministre Des Ptt (centre National

USPTO Granted Patents = 5

Forward Citations = 109

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19 inventors (with patents filed for the assignee):

Jean-Claude Jumas (1 out of 6 patents)

Jacques Detaint (1 out of 4 patents)

Michel Servel (1 out of 22 patents)

4. Maurice Maurin (1 out of 4 patents)

5. Etienne Philippot (1 out of 5 patents)

6. Bernard Capelle (1 out of 2 patents)

7. Yves Toudic (1 out of 4 patents)

8. Jacquie Schwartzel (1 out of 3 patents)

9. Jean-Claude Doukhan (1 out of 1 patent)

10. Albert Zarka (1 out of 3 patents)

11. Aline Goiffon (1 out of 4 patents)

12. Henri Havot (1 out of 2 patents)

13. Rene Le Dain (1 out of 1 patent)

14. Marie Morin (1 out of 1 patent)

15. Jean-Michel Landouar (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 4990217 - Process for the preparation of berlinite crystals with high Q factor (1991-02-05),

2. 4884264 - Hybrid time multiplex switching system with optimized buffer memory (1989-11-28),

3. 4847491 - Resonant loop current disturbing probe (1989-07-11),

4. 4730887 - Fiber optic coupling device and method of constructing such a device (1988-03-15),

5. 4677399 - Wide band directional coupler for microstrip lines (1987-06-30),

Etat Francais, Represente Par Le Ministre Des Ptt (centre National is a leading government agency in France that oversees postal services and telecommunications. The agency plays a crucial role in providing postal and telecommunication services to citizens and businesses across the country, ensuring efficient and reliable communication channels. With a strong focus on innovation and customer satisfaction, Etat Francais is dedicated to meeting the evolving needs of its customers and contributing to the development of the telecommunications sector in France.

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USPTO Data Jan 1 1976 - Dec 2 2025

5 Patents

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#50,135 in US