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| D110186 | Lukenbill | Jun 1938 | |
| D118155 | Bosak | Dec 1939 | |
| D123388 | Duey | Nov 1940 | |
| D130824 | Jobst | Dec 1941 | |
| D146271 | Stavely | Jan 1947 | |
| D165248 | Sherrod et al. | Nov 1951 | |
| D172693 | Wibbelsman et al. | Jul 1954 | |
| D201867 | Newman | Aug 1965 | |
| D214238 | Bender | May 1969 | |
| D238834 | Hjelle | Feb 1976 | |
| D245212 | Akester | Aug 1977 | |
| D257192 | Moses | Oct 1980 | |
| D265354 | Hyman | Jul 1982 | |
| D278002 | Swope, Jr. | Mar 1985 | |
| D287790 | Fay | Jan 1987 | |
| D288148 | Malgrain | Feb 1987 | |
| D290552 | Hukuba | Jun 1987 | |
| D302076 | Kirberger | Jul 1989 | |
| D305385 | Schneider | Jan 1990 | |
| D305386 | Rams et al. | Jan 1990 | |
| D308138 | Redmond | May 1990 | |
| D309375 | Ahlstroem et al. | Jul 1990 | |
| D315060 | Purushothaman | Mar 1991 | |
| D317986 | Huang | Jul 1991 | |
| D318571 | Sletbak | Jul 1991 | |
| D318760 | Kreisher et al. | Aug 1991 | |
| D324775 | Kreisher et al. | Mar 1992 | |
| D325302 | Honda | Apr 1992 | |
| D328392 | Holstein, II et al. | Aug 1992 | |
| D329751 | Booth et al. | Sep 1992 | |
| D333216 | Bruns et al. | Feb 1993 | |
| D335393 | Pakarnseree | May 1993 | |
| D335578 | Fuchs et al. | May 1993 | |
| D336369 | Harden | Jun 1993 | |
| D340808 | Sherman et al. | Nov 1993 | |
| D347524 | Simone et al. | Jun 1994 | |
| D347736 | Schneider et al. | Jun 1994 | |
| D349625 | Schneider et al. | Aug 1994 | |
| D358032 | Schneider et al. | May 1995 | |
| D358713 | Perry | May 1995 | |
| D368163 | Overthun | Mar 1996 | |
| 958371 | Danek | May 1910 | |
| 1048740 | Sarrazin | Dec 1912 | |
| 1369966 | Cosens et al. | Mar 1921 | |
| 1680558 | Lioselle | Aug 1928 | |
| 2094240 | Herrick et al. | Sep 1937 | |
| 2229664 | Meeske | Jan 1941 | |
| 2267670 | Rosenwasser | Dec 1941 | |
| 2273207 | Kuhn | Feb 1942 | |
| 2414775 | Stavely | Jan 1947 | |
| 2722703 | Green | Nov 1955 | |
| 2814818 | Birse | Dec 1957 | |
| 2845649 | Hutson | Aug 1958 | |
| 3120670 | Amodeo | Feb 1964 | |
| 3188673 | Newman | Jun 1965 | |
| 4137593 | Porper | Feb 1979 | |
| 4263691 | Pakarnseree | Apr 1981 | |
| 4356585 | Protell et al. | Nov 1982 | |
| 4399582 | Ernest et al. | Aug 1983 | |
| 4493125 | Collis | Jan 1985 | |
| 4638521 | Potente et al. | Jan 1987 | |
| 4654921 | Dinner | Apr 1987 | |
| 4672706 | Hill | Jun 1987 | |
| 4679272 | Florence | Jul 1987 | |
| 4780924 | Hansen et al. | Nov 1988 | |
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| 4802255 | Breuer et al. | Feb 1989 | |
| 5272784 | Levin | Dec 1993 |
| Number | Date | Country |
|---|---|---|
| 685019 | Mar 1965 | ITX |