| Number | Name | Date | Kind |
|---|---|---|---|
| 1342364 | Wikstrom | Jun 1920 | A |
| 1927110 | Bannister et al. | Sep 1933 | A |
| 1930617 | Huot | Oct 1933 | A |
| 2305021 | Meier | Dec 1942 | A |
| 2437595 | Douglass | Mar 1948 | A |
| 2487174 | Petre | Nov 1949 | A |
| 2508951 | Kazimier | May 1950 | A |
| D167868 | Selikoff et al. | Sep 1952 | S |
| D178627 | Baratelli et al. | Sep 1956 | S |
| D183777 | Weiss | Oct 1958 | S |
| 3018876 | Huot | Jan 1962 | A |
| 3074539 | Rogovin | Jan 1963 | A |
| 3154192 | Cowley | Oct 1964 | A |
| 3346137 | Ricci | Oct 1967 | A |
| 3370697 | Levey et al. | Feb 1968 | A |
| 3426890 | Bayer | Feb 1969 | A |
| 3499525 | Kanter | Mar 1970 | A |
| 3583556 | Wagner | Jun 1971 | A |
| D221317 | Muller | Jul 1971 | S |
| D229366 | Yonce | Nov 1973 | S |
| 4048051 | Gretz | Sep 1977 | A |
| 4216862 | Daenen | Aug 1980 | A |
| 4260057 | Wall-Andersen | Apr 1981 | A |
| D264396 | Harvey et al. | May 1982 | S |
| 4340140 | Wilcox et al. | Jul 1982 | A |
| D269648 | Wilcox et al. | Jul 1983 | S |
| D277339 | Huot, Jr. et al. | Jan 1985 | S |
| 4576307 | Frydenberg | Mar 1986 | A |
| 4615464 | Byrns | Oct 1986 | A |
| D287906 | Tsuji et al. | Jan 1987 | S |
| D291946 | Dottori et al. | Sep 1987 | S |
| 4828113 | Friedland et al. | May 1989 | A |
| 4958732 | Rau et al. | Sep 1990 | A |
| D311644 | Chapin et al. | Oct 1990 | S |
| 4974740 | Niles et al. | Dec 1990 | A |
| D314669 | Kunimune | Feb 1991 | S |
| 5031768 | Fischer | Jul 1991 | A |
| 5114007 | Chen | May 1992 | A |
| D328189 | Hillinger | Jul 1992 | S |
| 5133455 | Chow | Jul 1992 | A |
| D329331 | Hobson | Sep 1992 | S |
| 5172810 | Brewer | Dec 1992 | A |
| D343063 | Chen | Jan 1994 | S |
| D343120 | Lapsker et al. | Jan 1994 | S |
| D345650 | Boyd | Apr 1994 | S |
| D347114 | Tengvall | May 1994 | S |
| 5341926 | Leben | Aug 1994 | A |
| 5368164 | Bennett et al. | Nov 1994 | A |
| D356891 | Hobson | Apr 1995 | S |
| D358257 | Sidabras et al. | May 1995 | S |
| 5429235 | Chen | Jul 1995 | A |
| 5433929 | Riihimaki et al. | Jul 1995 | A |
| 5525314 | Hurson | Jun 1996 | A |
| 5526929 | Wei | Jun 1996 | A |
| D374988 | Hillinger | Oct 1996 | S |
| 5562208 | Hasler et al. | Oct 1996 | A |
| 5570784 | Sidabras et al. | Nov 1996 | A |
| D379715 | Yemini | Jun 1997 | S |
| 5638838 | Lombardi | Jun 1997 | A |
| 5641066 | Mascaro | Jun 1997 | A |
| D382115 | Chang | Aug 1997 | S |
| D382709 | Cuneo | Aug 1997 | S |
| D385109 | Staheli | Oct 1997 | S |
| 5676254 | Cheng et al. | Oct 1997 | A |
| D394952 | Wei | Jun 1998 | S |
| 5803254 | Vasudeva | Sep 1998 | A |
| 5826719 | Chen | Oct 1998 | A |
| D400709 | Chang | Nov 1998 | S |
| 5887715 | Vasudeva | Mar 1999 | A |
| D418977 | Streich | Jan 2000 | S |
| 6024218 | Knoblauch | Feb 2000 | A |
| 6032796 | Hopper et al. | Mar 2000 | A |
| D434561 | Vasudeva | Dec 2000 | S |
| D437684 | Streich et al. | Feb 2001 | S |
| 6213296 | Streich et al. | Apr 2001 | B1 |
| D447634 | Snider | Sep 2001 | S |
| D448167 | Pangerc et al. | Sep 2001 | S |
| D449931 | Snider | Nov 2001 | S |
| Number | Date | Country |
|---|---|---|
| 1 085 810 | Jul 1960 | DE |