Concetto:Patented in 1928
Descrizione del concetto "Patented in 1928"Feed RDF
Patents registered in 1928
[[Categoria:Patents]] [[Patent date::≥1 gennaio 1928]] [[Patent date::≤31 dicembre 1928]]
P
- File:Patent-CH-130454.pdf +
- File:Patent-DE-457462.pdf +
- File:Patent-DE-464038.pdf +
- File:Patent-DE-466010.pdf +
- File:Patent-DE-467712.pdf +
- File:Patent-DE-468697.pdf +
- File:Patent-FR-33407E.pdf +
- File:Patent-FR-636029.pdf +
- File:Patent-FR-639313.pdf +
- File:Patent-FR-639606.pdf +
- File:Patent-GB-260304.pdf +
- File:Patent-GB-266338.pdf +
- File:Patent-GB-283677.pdf +
- File:Patent-GB-284412.pdf +
- File:Patent-GB-284529.pdf +
- File:Patent-GB-288176.pdf +
- File:Patent-GB-289969.pdf +
- File:Patent-GB-291607.pdf +
- File:Patent-GB-297194.pdf +
- File:Patent-GB-297903.pdf +
- File:Patent-GB-302015.pdf +
- File:Patent-IT-6253-1928.pdf +
- File:Patent-US-1657033.pdf +
- File:Patent-US-1658147.pdf +
- File:Patent-US-1658940.pdf +
- File:Patent-US-1661225.pdf +
- File:Patent-US-1669036.pdf +
- File:Patent-US-1669040.pdf +
- File:Patent-US-1669714.pdf +
- File:Patent-US-1671125.pdf +
- File:Patent-US-1673579.pdf +
- File:Patent-US-1674259.pdf +
- File:Patent-US-1674260.pdf +
- File:Patent-US-1674261.pdf +
- File:Patent-US-1675543.pdf +
- File:Patent-US-1675826.pdf +
- File:Patent-US-1681954.pdf +
- File:Patent-US-1694945.pdf +
- File:Patent-US-1696183.pdf +
- File:Patent-US-1696218.pdf +
- File:Patent-US-D074242.pdf +
- File:Patent-US-D076794.pdf +