Number | Name | Date | Kind |
---|---|---|---|
3321641 | Howell | May 1967 | |
3328639 | Gryctko | Jun 1967 | |
3329869 | Obenhaus | Jul 1967 | |
3457460 | Buiting et al. | Jul 1969 | |
3500074 | Obenhaus | Mar 1970 | |
3564205 | Tyler | Feb 1971 | |
3648074 | Nurnberg | Mar 1972 | |
3660718 | Pinckaers | May 1972 | |
3739198 | Clements | Jun 1973 |
Entry |
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W. R. Spofford Jr., "The D13T-A Programmable U. J. T.", 11/67, Application Note. |