Concetto:Patented in 1950
Descrizione del concetto "Patented in 1950"Feed RDF
Patents registered in 1950
[[Categoria:Patents]] [[Patent date::≥1 gennaio 1950]] [[Patent date::≤31 dicembre 1950]]
P
- File:Patent-CA-462708.pdf +
- File:Patent-CH-258612.pdf +
- File:Patent-DE-1603608U.pdf +
- File:Patent-DE-1603609U.pdf +
- File:Patent-DE-1611226U.pdf +
- File:Patent-DE-1612403U.pdf +
- File:Patent-DE-764096.pdf +
- File:Patent-FR-54591E.pdf +
- File:Patent-FR-960832.pdf +
- File:Patent-FR-961601.pdf +
- File:Patent-FR-969964.pdf +
- File:Patent-FR-969966.pdf +
- File:Patent-FR-969988.pdf +
- File:Patent-GB-634735.pdf +
- File:Patent-GB-634823.pdf +
- File:Patent-GB-635144.pdf +
- File:Patent-GB-636823.pdf +
- File:Patent-GB-638420.pdf +
- File:Patent-GB-639958.pdf +
- File:Patent-GB-639996.pdf +
- File:Patent-GB-642437.pdf +
- File:Patent-GB-646726.pdf +
- File:Patent-GB-647474.pdf +
- File:Patent-US-2498384.pdf +
- File:Patent-US-2500833.pdf +
- File:Patent-US-2503043.pdf +
- File:Patent-US-2503061.pdf +
- File:Patent-US-2503080.pdf +
- File:Patent-US-2504420.pdf +
- File:Patent-US-2506035.pdf +
- File:Patent-US-2509234.pdf +
- File:Patent-US-2509465.pdf +
- File:Patent-US-2510634.pdf +
- File:Patent-US-2510648.pdf +
- File:Patent-US-2512004.pdf +
- File:Patent-US-2513380.pdf +
- File:Patent-US-2517522.pdf +
- File:Patent-US-2519635.pdf +
- File:Patent-US-2519675.pdf +
- File:Patent-US-2521657.pdf +
- File:Patent-US-2522553.pdf +
- File:Patent-US-2522554.pdf +
- File:Patent-US-2522555.pdf +
- File:Patent-US-2526268.pdf +
- File:Patent-US-2528327.pdf +
- File:Patent-US-2528328.pdf +
- File:Patent-US-2528390.pdf +
- File:Patent-US-2528408.pdf +
- File:Patent-US-2531113.pdf +
- File:Patent-US-2533082.pdf +