Concetto:Patented in 1939
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Descrizione del concetto "Patented in 1939"Feed RDF
Patents registered in 1939
[[Categoria:Patents]] [[Patent date::≥1 gennaio 1939]] [[Patent date::≤31 dicembre 1939]]
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- File:Patent-CH-202572.pdf +
- File:Patent-DE-672665.pdf +
- File:Patent-DE-678716.pdf +
- File:Patent-DE-680292.pdf +
- File:Patent-DE-682285.pdf +
- File:Patent-DE-682506.pdf +
- File:Patent-DE-683548.pdf +
- File:Patent-DK-55650C.pdf +
- File:Patent-FR-837930.pdf +
- File:Patent-FR-840819.pdf +
- File:Patent-FR-841365.pdf +
- File:Patent-FR-841451.pdf +
- File:Patent-FR-843941.pdf +
- File:Patent-FR-847613.pdf +
- File:Patent-FR-850525.pdf +
- File:Patent-GB-501523.pdf +
- File:Patent-GB-502381.pdf +
- File:Patent-GB-511521.pdf +
- File:Patent-GB-514513.pdf +
- File:Patent-US-2142531.pdf +
- File:Patent-US-2142532.pdf +
- File:Patent-US-2142533.pdf +
- File:Patent-US-2143601.pdf +
- File:Patent-US-2144296.pdf +
- File:Patent-US-2148236.pdf +
- File:Patent-US-2148853.pdf +
- File:Patent-US-2149557.pdf +
- File:Patent-US-2150065.pdf +
- File:Patent-US-2151548.pdf +
- File:Patent-US-2152161.pdf +
- File:Patent-US-2152436.pdf +
- File:Patent-US-2153488.pdf +
- File:Patent-US-2154102.pdf +
- File:Patent-US-2154103.pdf +
- File:Patent-US-2156775.pdf +
- File:Patent-US-2158615.pdf +
- File:Patent-US-2159002.pdf +
- File:Patent-US-2159003.pdf +
- File:Patent-US-2162223.pdf +
- File:Patent-US-2167815.pdf +
- File:Patent-US-2170242.pdf +
- File:Patent-US-2176661.pdf +
- File:Patent-US-2177466.pdf +
- File:Patent-US-2179727.pdf +
- File:Patent-US-2180560.pdf +
- File:Patent-US-D114095.pdf +
- File:Patent-US-D115544.pdf +
- File:Patent-US-D115868.pdf +
- File:Patent-US-D116005.pdf +
- File:Patent-US-D116097.pdf +
- File:Patent-US-D116098.pdf +