Number | Name | Date | Kind |
---|---|---|---|
3279396 | Soteropulos | Oct 1966 | |
3354844 | Roll et al. | Nov 1967 | |
3363587 | Harrington et al. | Jan 1968 | |
3363588 | Harrington et al. | Jan 1968 | |
4203237 | Enters et al. | May 1980 |
Entry |
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Eide et al., Auger System, IBM Tech. Disclosure Bul., vol. 23 #9, Feb. 1981, p. 4036. |