Number | Name | Date | Kind |
---|---|---|---|
1567812 | Ober et al. | Dec 1925 | |
2942501 | Kallio | Jun 1960 | |
3086410 | Zimmerman | Apr 1963 | |
3533313 | Matthews | Oct 1970 | |
3543614 | Tibbeyt | Dec 1970 | |
3978582 | Maytham | Sep 1976 |
Entry |
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