| Number | Date | Country | Kind |
|---|---|---|---|
| 8-188519 | May 1996 | JPX | |
| 8-164859 | Jun 1996 | JPX | |
| 9-085418 | Apr 1997 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 5574843 | Gerlach | Nov 1996 |
| Number | Date | Country |
|---|---|---|
| 02170266 | Jul 1990 | JPX |
| 04051337 | Feb 1992 | JPX |
| 6-44006 | Feb 1994 | JPX |
| 6-44021 | Feb 1994 | JPX |
| Entry |
|---|
| Tim Dudley, "A Visual Interface to a Conceptual Data Modelling Tool", Cognos Inc., Ottawa, Canada, 1989. |