| Number | Date | Country | Kind |
|---|---|---|---|
| 62-98582 | Apr 1987 | JPX | |
| 62-131489 | May 1987 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 3622995 | Dilks et al. | Nov 1971 | |
| 3958103 | Oka et al. | May 1976 | |
| 3980167 | Tamura et al. | Sep 1976 | |
| 4166540 | Marshall | Sep 1979 | |
| 4225779 | Sano et al. | Sep 1980 | |
| 4321672 | Braun et al. | Mar 1982 | |
| 4322612 | Lange | Mar 1982 | |
| 4357530 | Roes et al. | Nov 1982 | |
| 4365700 | Arimoto et al. | Dec 1982 | |
| 4385285 | Horst et al. | May 1983 | |
| 4449186 | Kelly et al. | May 1984 | |
| 4479194 | Fogg et al. | Oct 1984 | |
| 4493103 | Yamashita et al. | Jan 1985 | |
| 4535892 | Roes et al. | Aug 1985 | |
| 4562340 | Tateisi et al. | Dec 1985 | |
| 4581523 | Okuno | Apr 1986 | |
| 4602332 | Hirose et al. | Jul 1986 | |
| 4608488 | Hirose et al. | Aug 1986 | |
| 4618085 | Kimura et al. | Oct 1985 | |
| 4739156 | Watanabe | Apr 1988 | |
| 4786791 | Hodama | Nov 1988 | |
| 4794530 | Yukiura et al. | Dec 1988 |
| Number | Date | Country |
|---|---|---|
| 0103759 | Mar 1984 | EPX |
| 0225602 | Oct 1986 | JPX |
| 8504972 | Jul 1985 | WOX |
| 8504973 | Jul 1985 | WOX |
| 2102740 | Feb 1983 | GBX |
| Entry |
|---|
| "All About Metro" brochure, Washington Area Metropolitan Area Transit Authority, Dec. 1983. |