Brevetti   Gran Bretagna  

Patent:GB496365

Brevetto:	GB 496365
Titolo:	Improvements in games+score indicators
Data:	29.11.1938
Luogo:
Nazione:	Gran Bretagna
Persona:	Harold Arthur Day
Ditta:
Link interni:
Keywords:
Link al brevetto: (without guarantee)	GB496365

Aus der Patentschrift GB496365

• DATUM: 29.11.1938
• TITEL: Improvements in games-score indicators
• PERSON: HAROLD ARTHUR DAY