Brevetti   Stati Uniti  

Patent:US2135783

Brevetto:	US 2135783
Titolo:	Mechanical toy imitating a calculating horse
Data:	08.11.1938
Luogo:
Nazione:	Stati Uniti
Persona:	Carl Arnold
Ditta:
Link interni:
Keywords:
Link al brevetto: (without guarantee)	US2135783 (espacenet),  US2135783 (uspto)

Aus der Patentschrift US2135783

• DATUM: 08.11.1938
• TITEL: Mechanical toy imitating a calculating horse
• Patent Family: ( Patent:DE694928, Patent:GB488754, Patent:US2135783 )