Number | Name | Date | Kind |
---|---|---|---|
4191383 | Baker et al. | Mar 1980 | |
4260164 | Baker et al. | Apr 1981 |
Number | Date | Country |
---|---|---|
511226 | Mar 1955 | CAX |
607029 | Oct 1960 | CAX |
2303261 | Oct 1976 | FRX |
1536682 | Dec 1978 | GBX |
Entry |
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Exhibit A to Prior Art Statement, TAM International, Houston, Tex., No Date Given, No Publication Number, One Page Copy of Photograph. |