Number | Name | Date | Kind |
---|---|---|---|
3564218 | Lay | Feb 1971 | |
3627996 | Vigour | Dec 1971 | |
3661464 | Hubbard | May 1972 | |
3794814 | Lay et al. | Feb 1974 | |
3976379 | Morokuma | Aug 1976 |
Entry |
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Courselle, "Electronic Fringe Counter", IBM Tech. Discl. Bull., vol. 9, No. 3, pp. 269-271, Aug. 1966. |