| Number | Name | Date | Kind |
|---|---|---|---|
| 4615002 | Innes | Sep 1986 | |
| 4870610 | Belfer | Sep 1989 | |
| 4980829 | Okajima et al. | Dec 1990 | |
| 5001697 | Torres et al. | Mar 1991 | |
| 5067070 | Miyao et al. | Nov 1991 |
| Entry |
|---|
| Miscellaneous Search Report, IBM 82, "Automatic Reduction/magnification System for Window Frame," Patent No. JP 02-176824. |