Number | Name | Date | Kind |
---|---|---|---|
3771621 | Goettl | Nov 1973 | |
3993345 | Croup | Nov 1976 | |
4167985 | Dunlavy | Sep 1979 | |
4289929 | Hathaway | Sep 1981 | |
5115884 | Falco | May 1992 |
Entry |
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Sony, "Technical Design Concepts and Philosophy of the SS-M9 Loudspeaker," 1994 Sony Electronics Inc. |
E.A.R. Technical Data Sheet TDS-09, Division, Cabot Safety Corporation, Delaware Industrial Park, Newark, DE 19713, undated. |