| Number | Date | Country | Kind |
|---|---|---|---|
| M 96 08 230.5 | Sep 1996 | DEX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D161110 | Knowles | Dec 1950 | |
| D177012 | Bounds | Mar 1956 | |
| D198726 | Conner et al. | Jul 1964 | |
| D319067 | Hanke et al. | Aug 1991 | |
| 2646672 | Fairbank | Jul 1953 |
| Number | Date | Country |
|---|---|---|
| 742679 | Dec 1955 | GBX |
| Entry |
|---|
| Graflex Inc. Catalog (Strobomite flash unit), Oct. 1957. |