Number | Name | Date | Kind |
---|---|---|---|
2266659 | Robinson et al. | Dec 1941 | |
2272387 | Therrien | Feb 1942 | |
2355733 | Johnson et al. | Aug 1944 | |
2705642 | Chasar | Apr 1955 | |
3213473 | Singer | Oct 1965 | |
3414926 | Bloom | Dec 1968 | |
3958293 | Irwin | May 1976 | |
3983593 | Naeve | Oct 1976 | |
4447926 | Rothenberger | May 1984 | |
5193242 | Irwin | Mar 1993 | |
5603136 | Truschler | Feb 1997 | |
5657505 | Gallagher et al. | Aug 1997 |
Number | Date | Country |
---|---|---|
4301179 | Jul 1994 | DEX |
Entry |
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