Number | Name | Date | Kind |
---|---|---|---|
2522859 | Carbonneau | Sep 1950 | |
2604285 | Knoch | Jul 1952 | |
3180595 | Brunsting | Apr 1965 | |
3327984 | Rennie | Jun 1967 | |
3369784 | Whitney | Feb 1968 | |
3664615 | Kruger | May 1972 | |
3727004 | Bose | Apr 1973 | |
3912865 | Seebinger | Oct 1975 | |
4133975 | Barker | Jan 1979 | |
4250540 | Kristofek | Feb 1981 | |
4266092 | Barker | May 1981 | |
4439643 | Schweizer | Mar 1984 | |
4444369 | Job | Apr 1984 | |
4546850 | Litner | Oct 1985 | |
4614374 | Lannert | Sep 1986 | |
4688596 | Liebmann | Aug 1987 | |
4727587 | Black | Feb 1988 | |
4760510 | Lahti | Jul 1988 | |
4778134 | Struthers et al. | Oct 1988 | |
4815558 | Krainhofer | Mar 1989 | |
4853966 | Skrzycki | Aug 1989 | |
4961226 | Saffran | Oct 1990 | |
5027403 | Short et al. | Jun 1991 | |
5082083 | Draffen | Jan 1992 | |
5088574 | Kertesz | Feb 1992 | |
5143339 | Ashcraft et al. | Sep 1992 | |
5205755 | Douty | Apr 1993 | |
5221069 | Struthers et al. | Jun 1993 |
Entry |
---|
Boston Acoustics brochure for Designer Series In-Wall Loudspeaker Systems dated 1991. |