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D228867 | Mallonn | Oct 1973 | |
D229737 | Taylor | Jan 1974 | |
D230342 | Mallonn | Feb 1974 | |
D230343 | Mallonn | Feb 1974 | |
D230344 | Taylor | Feb 1974 | |
D230556 | Mallonn | Mar 1974 | |
D241703 | Ashton | Oct 1976 | |
D329572 | Krupa | Sep 1992 | |
D355814 | VanValkenburg et al. | Feb 1995 | |
D357411 | Klapwald | Apr 1995 | |
D357859 | Klapwald | May 1995 | |
D388325 | Tucker et al. | Dec 1997 | |
D390109 | Tucker | Feb 1998 | |
D394188 | Reynaert et al. | May 1998 | |
D394189 | Reynaert et al. | May 1998 | |
D411714 | Wilson et al. | Jun 1999 | |
D411741 | Wilson et al. | Jun 1999 | |
2487400 | Tupper | Nov 1949 | |
2630237 | Rosenlof | Mar 1953 | |
2788893 | Harkness et al. | Apr 1957 | |
2935108 | Hall | May 1960 | |
3090537 | Pasciak | May 1963 | |
3111240 | Whitton | Nov 1963 | |
3128902 | Barnum | Apr 1964 | |
3187919 | Inglis | Jun 1965 | |
3204813 | McCuskey et al. | Sep 1965 | |
3254785 | Lovell | Jun 1966 | |
3378163 | Griffith | Apr 1968 | |
3384263 | Bernstein | May 1968 | |
3414229 | Norberg | Dec 1968 | |
3422984 | Foster | Jan 1969 | |
3424342 | Scopp et al. | Jan 1969 | |
3526334 | Ashton et al. | Sep 1970 | |
3609263 | Clementi | Sep 1971 | |
3688942 | Mitchell et al. | Sep 1972 | |
3719304 | Douglas | Mar 1973 | |
3753512 | Curry | Aug 1973 | |
3773207 | Dokoupil et al. | Nov 1973 | |
3809284 | Churan | May 1974 | |
3979015 | Arfert | Sep 1976 | |
3982651 | Braun et al. | Sep 1976 | |
4111330 | Jordan | Sep 1978 | |
4194645 | Zabner et al. | Mar 1980 | |
4209107 | Crisci | Jun 1980 | |
4341324 | Ramirez | Jul 1982 | |
4349119 | Letica | Sep 1982 | |
4351447 | Graff | Sep 1982 | |
4387828 | Yates | Jun 1983 | |
4412630 | Daenen | Nov 1983 | |
4426014 | Coltman | Jan 1984 | |
4471880 | Taylor et al. | Sep 1984 | |
4493432 | Smith | Jan 1985 | |
4561562 | Trombly | Dec 1985 | |
4664288 | Pereira et al. | May 1987 | |
4709832 | Mantyla | Dec 1987 | |
4765506 | Fishman et al. | Aug 1988 | |
4793510 | Arfert et al. | Dec 1988 | |
4795056 | Meyers | Jan 1989 | |
4805797 | Natori | Feb 1989 | |
4809868 | Pomroy | Mar 1989 | |
4872586 | Landis | Oct 1989 | |
4958744 | Bayly | Sep 1990 | |
4976370 | Cassel | Dec 1990 | |
5143219 | Yates | Sep 1992 | |
5147059 | Olsen et al. | Sep 1992 | |
5377860 | Littlejohn et al. | Jan 1995 | |
5425467 | Feer et al. | Jun 1995 | |
5507385 | Koloski et al. | Apr 1996 | |
5507407 | Feer et al. | Apr 1996 | |
5518133 | Hayes et al. | May 1996 | |
5624051 | Ahern et al. | Apr 1997 | |
5758794 | Rider et al. | Jun 1998 |