Number | Name | Date | Kind |
---|---|---|---|
D270729 | Lahey et al. | Sep 1983 | |
D278063 | Chamberlain et al. | Mar 1985 |
Entry |
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Datamation, 3-1983, p. 177, IBM Decision Data Keyboard. |
Datamation, 4-1983, p. 39, IBM Personal Computer Keyboard. |
Datamation, 6-1983, p. 117, Phaze Keyboard. |