Number | Name | Date | Kind |
---|---|---|---|
D268283 | Hicks | Mar 1983 | |
D275787 | Rapp et al. | Oct 1984 | |
4237521 | Denker | Dec 1980 | |
4685303 | Branc et al. | Aug 1987 | |
4702154 | Dodson | Oct 1987 |
Entry |
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IBM Technical Disclosure Bulletin, vol. 22, No. 6, 11-1979, D. H. Kekas et al., snap-together cooling fan assembly. |