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| 388522 | Beauchemin | Aug 1888 | A |
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| 1874284 | Goodall | Aug 1932 | A |
| 2150042 | Shultz | Mar 1939 | A |
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| 2405822 | Franck | Aug 1946 | A |
| 2437632 | Wolfram | Mar 1948 | A |
| 2460635 | Herold | Feb 1949 | A |
| 2463707 | Matousek | Mar 1949 | A |
| 2473119 | Wolfram | Jun 1949 | A |
| 2484815 | Crawford | Oct 1949 | A |
| 2506838 | Leonard | May 1950 | A |
| 2508838 | Roberts | May 1950 | A |
| 2579529 | Woodling | Dec 1951 | A |
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| 2774651 | Bredtschneider | May 1956 | A |
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| 3075793 | Lennon | Jan 1963 | A |
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| 3321947 | Teeters | May 1967 | A |
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| Number | Date | Country |
|---|---|---|
| 110622 | May 1940 | AU |
| 598530 | Apr 1978 | CH |
| 2735477 | Feb 1978 | DE |
| 1600553 | May 1979 | DE |
| 4041679 | Jun 1992 | DE |
| 4211498 | Oct 1993 | DE |
| 4219722 | Dec 1993 | DE |
| 4238877 | May 1994 | DE |
| 4304534 | Aug 1994 | DE |
| 71678 | Feb 1983 | EP |
| 223185 | May 1987 | EP |
| 484091 | May 1992 | EP |
| 489289 | Jun 1992 | EP |
| 528079 | Feb 1993 | EP |
| 1406039 | Apr 2004 | EP |
| 757204 | Dec 1933 | FR |
| 1092160 | Apr 1955 | FR |
| 1170298 | Jan 1959 | FR |
| 836002 | Jun 1960 | GB |
| 1130835 | Oct 1968 | GB |
| 2032555 | May 1980 | GB |
| 2049853 | Dec 1980 | GB |
| 2080900 | Feb 1982 | GB |
| 3079892 | Apr 1991 | JP |
| 3229090 | Oct 1991 | JP |
| 5079586 | Mar 1993 | JP |
| 7055073 | Mar 1995 | JP |
| 7110084 | Apr 1995 | JP |
| 80933975 | Apr 1996 | JP |
| 8145251 | Jun 1996 | JP |
| 8210567 | Aug 1996 | JP |
| 6710340 | Jan 1968 | NL |
| 35532 | Feb 1981 | TW |
| 8909904 | Oct 1989 | WO |
| 93025837 | Dec 1993 | WO |
| 97007356 | Feb 1997 | WO |
| 9720163 | Jun 1997 | WO |
| 98032999 | Jul 1998 | WO |
| 98046925 | Oct 1998 | WO |
| 01073333 | Oct 2001 | WO |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 14317741 | Jun 2014 | US |
| Child | 29666233 | US | |
| Parent | 12758293 | Apr 2010 | US |
| Child | 14317741 | US | |
| Parent | 12115096 | May 2008 | US |
| Child | 12758293 | US | |
| Parent | 10604348 | Jul 2003 | US |
| Child | 12115096 | US | |
| Parent | 10374026 | Feb 2003 | US |
| Child | 10604348 | US | |
| Parent | 09469549 | Dec 1999 | US |
| Child | 10374026 | US |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 09054186 | Apr 1998 | US |
| Child | 09469549 | US | |
| Parent | 08834255 | Apr 1997 | US |
| Child | 09054186 | US |