Patent:US5967787
Patent: | US 5967787 |
Titel: | Educational display with a clock and with numeral and date blocks |
Datum: | 19.10.1999 |
Ort: | |
Land: | USA |
Person: | Tsao, Chin-Chen (No. 152, Tung Pei Street, Chung Shan |
Firma: | |
Links im Rechnerlexikon: | Lehrmittel |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US5967787 (espacenet), US5967787 (uspto) |
- Patent Family: ( Patent:AU689435B, Patent:GB2333635, Patent:GB9801602D, Patent:US5967787 )