EO

Etienne J. R. Osmond

TT Telecommunications Radioelectriques Et Telephoniques T.R.T: 1 patents #3 of 8Top 40%
📍 Lannion, FR: #3 of 38 inventorsTop 8%
Overall (1982): #66,298 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4356355 Apparatus for detecting the closure of a subscriber's line during ringing Gilbert M. M. Ferrieu, Yves J. F. Hetet 1982-10-26