Patent Grant
D411718
| Number | Name | Date | Kind |
|---|---|---|---|
| D244340 | Ashton | May 1977 | |
| D249443 | Ackerman et al. | Sep 1978 | |
| D253154 | Kriesten et al. | Oct 1979 | |
| D259321 | Sparger | May 1981 | |
| D261467 | Alessandrini et al. | Oct 1981 | |
| D266136 | Peabody et al. | Sep 1982 | |
| D271171 | Kinkade | Nov 1983 | |
| D273356 | Miller | Apr 1984 | |
| D276018 | Hagedorn et al. | Oct 1984 | |
| D280587 | Carlson | Sep 1985 | |
| D284536 | Kelly | Jul 1986 | |
| D284827 | Prindle | Jul 1986 | |
| D292359 | Daw | Oct 1987 | |
| D296177 | Nolen, Sr. et al. | Jun 1988 | |
| D300497 | Goebel et al. | Apr 1989 | |
| D303477 | Naft | Sep 1989 | |
| D308619 | Klein | Jun 1990 | |
| D317698 | Martinez | Jun 1991 | |
| D320143 | Fenwick | Sep 1991 | |
| D333238 | Stead et al. | Feb 1993 | |
| D352868 | Breen | Nov 1994 | |
| D358532 | Wang et al. | May 1995 | |
| D360560 | Stroecker | Jul 1995 | |
| D360810 | Humaj | Aug 1995 | |
| D366814 | Stroecker | Feb 1996 | |
| D371727 | Gebhardt | Jul 1996 | |
| 4071144 | Krubski | Jan 1978 | |
| 4071212 | Burrows et al. | Jan 1978 | |
| 4082386 | Beasley, Jr. | Apr 1978 | |
| 4509651 | Prindle | Apr 1985 | |
| 4834328 | Hall | May 1989 | |
| 4893768 | Hall | Jan 1990 | |
| 4934539 | Lu | Jun 1990 | |
| 5490607 | Hsieh et al. | Feb 1996 | |
| 5655672 | Stuchlik, III | Aug 1997 |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 957806 | Oct 1997 |
