Number | Name | Date | Kind |
---|---|---|---|
D270444 | Matsuda et al. | Sep 1983 | |
D303970 | Collins et al. | Oct 1989 | |
D344951 | Christie | Mar 1994 | |
4574906 | White et al. | Mar 1986 |
Entry |
---|
Stereo Review, Jan. 1988, p. 39, Ohm Sound Cylinder Speaker System. |
Number | Date | Country | |
---|---|---|---|
Parent | 23784 | Jun 1994 |