Patent Grant
D356503
| Number | Name | Date | Kind |
|---|---|---|---|
| D15058 | Otto | Jun 1884 | |
| D44929 | Lorenz | Nov 1913 | |
| D67738 | Bell | Jul 1925 | |
| D155289 | Hoople | Sep 1949 | |
| D159599 | Chaplin | Aug 1950 | |
| D198139 | Edwards | May 1964 | |
| D234108 | Achenbach | Jan 1975 | |
| D241228 | Boduch | Aug 1976 | |
| D242416 | Achenbach | Nov 1976 | |
| D292883 | Griffin et al. | Nov 1987 | |
| D304889 | Stymeist | Dec 1989 | |
| 1649292 | Draper | Nov 1927 | |
| 2707588 | Amberg | May 1955 | |
| 2859557 | Lattuca | Nov 1958 | |
| 2905350 | Edwards | Sep 1959 | |
| 3009603 | Stockdale | Nov 1961 | |
| 3035623 | Goetz | May 1962 | |
| 3139213 | Edwards | Jun 1964 | |
| 3372830 | Edwards | Mar 1968 | |
| 3836063 | Sutch | Sep 1974 | |
| 4420081 | Dart | Dec 1983 | |
| 4494668 | Lottick | Jan 1985 | |
| 4877141 | Hayashi et al. | Oct 1989 | |
| 5067622 | Garver et al. | Nov 1991 | |
| 5105975 | Patterson | Apr 1992 |
