Patent Grant
D341390
| Number | Name | Date | Kind |
|---|---|---|---|
| D209763 | Mueller | Jan 1968 | |
| D214577 | Mueller | Jul 1969 | |
| D241565 | Molenaar | Sep 1976 | |
| D242057 | Sun | Oct 1976 | |
| D272751 | Brackmann | Feb 1984 | |
| D326121 | Asner | May 1992 | |
| 1966895 | Kuhns | Jul 1934 | |
| 3359678 | Headrick | Nov 1965 | |
| 3580580 | Wark | May 1971 | |
| 3673732 | Liotta | Jul 1972 | |
| 3724122 | Gillespie, Sr. | Apr 1973 | |
| 3976297 | Seymour | Aug 1976 | |
| 4157631 | Kifferstein et al. | Jun 1979 | |
| 4216611 | Psyras | Aug 1980 |
