Number | Name | Date | Kind |
---|---|---|---|
D281457 | Po | Nov 1985 | |
D290901 | Tong et al. | Jul 1987 | |
D291501 | Tong | Aug 1987 | |
D293971 | Selbiger | Feb 1988 | |
D295458 | Selbiger | May 1988 | |
D295578 | Tong | May 1988 | |
D295689 | Diaz et al. | May 1988 | |
D296380 | Diaz et al. | Jun 1988 | |
D298082 | Selbiger et al. | Oct 1988 | |
4255876 | Johnson | Mar 1981 | |
4327503 | Johnson | May 1982 | |
4644673 | Gamm | Feb 1987 | |
4694591 | Banich et al. | Sep 1987 |
Entry |
---|
A photocopy of the Zip-n-Go reference (Washington Post), Apr. 5, 1984. |