Number | Name | Date | Kind |
---|---|---|---|
3689693 | Cahill et al. | Sep 1972 | |
3701998 | Mathis | Oct 1972 | |
3871004 | Rittberg | Mar 1975 | |
4009332 | Van Hook | Feb 1977 |
Entry |
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Bruce, G. D., Ink Jet Nozzles in a Ring Array, IBM Technical Disclosure _Bulletin, May 1976, vol. 15, No. 11, pp. 3917-3918. |