| Number | Date | Country | Kind |
|---|---|---|---|
| 853143 | Dec 1985 | SEX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D188103 | Scofield | Jun 1960 | |
| D224790 | Schlesinger, Jr. | Sep 1972 | |
| 3622687 | Doughty | Nov 1971 | |
| 4614838 | Sandstrom | Sep 1986 |
| Entry |
|---|
| IBM Technical Disclosure Bulletin, vol. 20, No. 10, 3-1978, p. 4054, Uberbacher, Optical Fiber Ribbon Cable, FIGS. 1 & 2. |