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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.

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USPTO Data Jan 1 1976 - Dec 16 2025

10 Patents

#22 in Boulogne-Billancourt

#1,665 in France

#54,268 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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