Patent:US2461930
Patent: | US 2461930 |
Titel: | Exposure meter having coordinated meter pointer and calculating disk |
Datum: | 15.02.1949 |
Ort: | |
Land: | USA |
Person: | Ray Simpson |
Firma: | Simpson Elect Co |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US2461930 (espacenet), US2461930 (uspto) |
- DATUM: 15.02.1949
- TITEL: Exposure meter having coordinated meter pointer and calculating disk
- PERSON: SIMPSON ELECT CO