Patent Grant
D328351
| Number | Name | Date | Kind |
|---|---|---|---|
| D226341 | Rhoads | Feb 1973 | |
| D244315 | Havstad | May 1977 | |
| 3151343 | McCormick | Oct 1964 | |
| 3414914 | Gramins | Dec 1968 | |
| 3707734 | Matthews | Jan 1973 | |
| 4033000 | Bonifay | Jul 1977 | |
| 4226231 | Andersen | Oct 1980 | |
| 4369982 | Hein et al. | Jan 1983 | |
| 4473912 | Scheidel et al. | Oct 1984 | |
| 4506664 | Brault | Mar 1985 | |
| 4655206 | Moody | Apr 1987 | |
| 4744115 | Marchione | May 1988 | |
| 4794656 | Henley, Jr. | Jan 1989 | |
| 4854305 | Bremer | Aug 1989 |
