Number | Name | Date | Kind |
---|---|---|---|
3298135 | Kinser | Jan 1967 | |
3486272 | Eigenmann et al. | Dec 1969 | |
3861083 | Goiot | Jan 1975 | |
4455711 | Anserson | Jun 1984 | |
4532673 | Kim | Aug 1985 | |
4573567 | Swinderman | Mar 1986 | |
4593493 | Naka et al. | Jun 1986 | |
4745708 | Roche | May 1988 | |
4878314 | Blockinger | Nov 1989 | |
5274881 | DeRosa | Jan 1994 | |
5311824 | Sauer et al. | May 1994 | |
5358291 | Malmanger et al. | Oct 1994 |
Number | Date | Country |
---|---|---|
625553 | Sep 1961 | ITX |
Entry |
---|
IBM Double-Hinged Cover, M.A. Lockhart, vol. 7 No. 9, Feb. 1965. |