| Number | Date | Country | Kind |
|---|---|---|---|
| 63-184292 | Jul 1988 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4757267 | Riskin | Jul 1988 | |
| 4760528 | Levin | Jul 1988 | |
| 4763252 | Rose | Aug 1988 | |
| 4797832 | Axelrod et al. | Jan 1989 | |
| 4800506 | Axelrod et al. | Jan 1989 | |
| 4853869 | Durst, Jr. et al. | Aug 1989 | |
| 4868757 | Gil | Sep 1989 | |
| 4892238 | Venema | Jul 1990 | |
| 4969097 | Levin | Nov 1990 | |
| 4994968 | Kato et al. | Feb 1991 |
| Number | Date | Country |
|---|---|---|
| 56-19135 | Feb 1981 | JPX |
| 58-54431 | Mar 1983 | JPX |
| 61-75468 | Apr 1986 | JPX |
| Entry |
|---|
| "Postal Service Mobile Exhibit Focuses on Automation", PR Newswire, Nov. 16, 1989. |
| "Melissa Data Announces New Zip Code Database", May 1, 1987, News release, p. 11. |
| Mendelson, Edward, "NVelope", PC Magazine Dec. 13, 1988, p. 221. |
| "A Duo For Manipulating Mail", BYTE, Nov. 1988, p. 84. |