Number | Name | Date | Kind |
---|---|---|---|
1156762 | Dickinson | Oct 1915 | |
3133635 | Gordon et al. | May 1964 | |
3489268 | Meierhoefer | Jan 1970 | |
3642123 | Knox | Feb 1972 | |
3727749 | Martin | Apr 1973 | |
4979616 | Clanton | Dec 1990 | |
5024326 | Sandel et al. | Jun 1991 | |
5090564 | Chimienti | Feb 1992 | |
5156267 | Yates, Jr. et al. | Oct 1992 |