Number | Name | Date | Kind |
---|---|---|---|
4051941 | Hebert | Oct 1977 | |
4214836 | Wang | Jul 1980 | |
4218148 | Matachke | Aug 1980 | |
4382701 | Davenport | May 1983 | |
4737042 | Hayashi et al. | Apr 1987 | |
4840501 | Wong et al. | Jul 1988 |
Number | Date | Country |
---|---|---|
36540 | Sep 1981 | EPX |
83049 | Apr 1986 | JPX |
Entry |
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W. Hasler et al., "Print Hammer"; IBM Technical Disclosure Bulletin; vol. 25, No. 9, pp. 4901-4902; Feb. 1983. |
Anonymous; "High Performance, One-Piece Print Actuator"; IBM Tech Disc. Bull. vol. 28, No. 12, pp. 5296-5298, May 1986. |