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Electricite de France SA
Electricit
Active Patents
0
Total Holdings
5
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
EP0133832A1
Process and apparatus for the production of a polymerised c…
Expired / Lapsed
1984-07-30
—
0
Details
US4928152A
Process and device for optically measuring the distance and…
Expired / Lapsed
1987-02-24
1990-05-22
12
Details
US3231877A
Pulse telemetering apparatus for transmitting to a remote l…
Expired / Lapsed
1960-12-28
1966-01-25
2
Details
US2542627A
Apparatus for transmitting terms to a distance
Expired / Lapsed
1946-10-23
1951-02-20
0
Details
FR967786A
Voltage indicator for power lines
Expired / Lapsed
1948-06-17
1950-11-10
0
Details