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Boulogne-Billancourt, France

Le Material Telephonique

USPTO Granted Patents = 10

Forward Citations = 64

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20 inventors (with patents filed for the assignee):

Bernard M Depouilly (2 out of 3 patents)

Edouard M Issenmann (2 out of 2 patents)

Jean-Paul Lager (2 out of 3 patents)

4. Pierre Leon Lecuyer (1 out of 1 patent)

5. Francois Crousillac (1 out of 1 patent)

6. Jean P Lager (1 out of 1 patent)

7. Jean C Ledey (1 out of 1 patent)

8. Jean P Le Pabic (1 out of 1 patent)

9. Jacques R Granet (1 out of 1 patent)

10. Jean-Pierre Le Pabic (1 out of 1 patent)

11. Jean-Louis Y Moreau (1 out of 1 patent)

12. Marc P Dieudonne (1 out of 4 patents)

13. Claude M Villemant (1 out of 1 patent)

14. Renee Quintin (1 out of 1 patent)

15. Hieu K Nguyen (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 4319322 - Method and apparatus for converting virtual addresses to real addresses (1982-03-09),

2. 4294009 - Method of manufacturing a hybrid integrated circuit (1981-10-13),

3. 4276645 - Receiver for simultaneously transmitted clock and auxiliary signals (1981-06-30),

4. 4276641 - Method and apparatus for converting time-division data signals received (1981-06-30),

5. 4242754 - Clock recovery system for data receiver (1980-12-30),

6. 4178483 - Time-division switching telephone exchange comprising a service signal (1979-12-11),

7. 4177018 - Apparatus for regulating the passage and flow-rate of a liquid (1979-12-04),

8. 4158108 - Digital data resynchronization device (1979-06-12),

9. 4129756 - Telephone exchange signalling unit (1978-12-12),

10. 4087692 - Radiameter (1978-05-02),

Le Material Telephonique is a leading telecommunications equipment supplier, specializing in providing high-quality phones, headsets, and accessories to businesses and individuals. With a wide range of products from top brands, we offer solutions for all communication needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

10 Patents

#22 in Boulogne-Billancourt

#1,664 in France

#54,349 in the World

Boulogne-Billancourt, France

Le Material Telephonique

Forward Citations = 64

20 inventors:

Bernard M Depouilly (2 out of 3 patents)

Edouard M Issenmann (2 out of 2 patents)

Jean-Paul Lager (2 out of 3 patents)

4. Pierre Leon Lecuyer (1 out of 1 patent)

5. Francois Crousillac (1 out of 1 patent)

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