Assignee
ELECTROACUSTIC GMBH
4 granted patents·19 citations·filing 1973–1977
Top patents by PatentIndex Score
4 records- 0167US3944748AMeans and method of reducing interference in multi-channel reproduction of soundsELECTROACUSTIC GMBH·Filed 1973·Granted Mar 16, 1976·15 cites·8 claims
- 0232US3934364ADisplay device for varying the shape and cross-section of a rectangular areaELECTROACUSTIC GMBH·Filed 1973·Granted Jan 27, 1976·2 cites·3 claims
- 0325US4104643AEcho-sounding recorder with different depth-measuring rangesELECTROACUSTIC GMBH·Filed 1977·Granted Aug 1, 1978·2 cites·4 claims
- 0412US4094511ABelt-driven record playerELECTROACUSTIC GMBH·Filed 1976·Granted Jun 13, 1978·0 cites·6 claims
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