Patent:US5836587
Patent: | US 5836587 |
Titel: | Playing cards for an educational game |
Datum: | 17.11.1998 |
Ort: | 3 Roundwood Lane, Harpenden |
Land: | USA |
Person: | Druce, Harry Frederick |
Firma: | |
Links im Rechnerlexikon: | Lehrmittel |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US5836587 (espacenet), US5836587 (uspto) |
- DATUM: 17.11.1998
- TITEL: Playing cards for an educational game
- Patent Family: ( Patent:DE69308013D, Patent:DE69308013T, Patent:EP0616548, Patent:EP0616548, Patent:GB2271515, Patent:GB2271515, Patent:GB9221535D, Patent:GB9319387D, Patent:US5551700, Patent:US5836587, Patent:WO9408671 )