| Number | Name | Date | Kind |
|---|---|---|---|
| 5393057 | Marnell, II | Feb 1995 | |
| 5564700 | Celona | Oct 1996 |
| Number | Date | Country |
|---|---|---|
| 5-131044 | May 1993 | JPX |
| 2 072 395 | Feb 1981 | GBX |
| 2 083 936 | Mar 1982 | GBX |
| 2 191 030 | May 1987 | GBX |
| 2 202 984 | Mar 1988 | GBX |
| Entry |
|---|
| Williams Electronic Games, Inc. "Phantom Haus", Jul. 1996. |