Concetto:Patented in 1942
Descrizione del concetto "Patented in 1942"Feed RDF
Patents registered in 1942
[[Categoria:Patents]] [[Patent date::≥1 gennaio 1942]] [[Patent date::≤31 dicembre 1942]]
P
- File:Patent-CH-219430.pdf +
- File:Patent-CH-220232.pdf +
- File:Patent-DE-726251.pdf +
- File:Patent-DE-727003.pdf +
- File:Patent-FR-871035.pdf +
- File:Patent-FR-873073.pdf +
- File:Patent-FR-876230.pdf +
- File:Patent-US-2272674.pdf +
- File:Patent-US-2274393.pdf +
- File:Patent-US-2274470.pdf +
- File:Patent-US-2278907.pdf +
- File:Patent-US-2279803.pdf +
- File:Patent-US-2282840.pdf +
- File:Patent-US-2283333.pdf +
- File:Patent-US-2286878.pdf +
- File:Patent-US-2289963.pdf +
- File:Patent-US-2292381.pdf +
- File:Patent-US-2292683.pdf +
- File:Patent-US-2293343.pdf +
- File:Patent-US-2293621.pdf +
- File:Patent-US-2293622.pdf +
- File:Patent-US-2293623.pdf +
- File:Patent-US-2303373.pdf +
- File:Patent-US-2303374.pdf +
- File:Patent-US-2304832.pdf +
- File:Patent-US-2305287.pdf +
- File:Patent-US-D130997.pdf +
- File:Patent-US-D130998.pdf +
- File:Patent-US-D130999.pdf +
- File:Patent-US-D131000.pdf +
- File:Patent-US-D132663.pdf +
- File:Patent-US-D132664.pdf +