Proprietà:Patent title

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Titolo del brevetto (come riportato sullo stesso).

precedenti 202050100250500successivi 20
Showing 20 pages using this property.
P
Patent-US-2132313.pdf +
Closure of ink bottles  +
Patent-US-2133617.pdf +
Fountain pen  +
Patent-US-2136290.pdf +
Interchangeable lead pencil  +
Patent-US-2139045.pdf +
Fountain pen  +
Patent-US-2139084.pdf +
Fountain pen  +
Patent-US-2141988.pdf +
Plaque holder and method of making the same  +
Patent-US-2141989.pdf +
Pipe and plaque holder therefor  +
Patent-US-2141990.pdf +
Plaque holder for writing instruments and the like  +
Patent-US-2141991.pdf +
Plaque holder and blank  +
Patent-US-2142531.pdf +
Fountain pen  +
Patent-US-2142532.pdf +
Fountain pen  +
Patent-US-2142533.pdf +
Fountain pen  +
Patent-US-2143601.pdf +
Fountain pen  +
Patent-US-2144296.pdf +
Fountain pen  +
Patent-US-214795.pdf +
Improvement in fountain-pen holder  +
Patent-US-2148236.pdf +
Fountain pen  +
Patent-US-2148853.pdf +
Fountain pen  +
Patent-US-2149557.pdf +
Fountain pen  +
Patent-US-2150065.pdf +
Pen desk set  +
Patent-US-2151548.pdf +
Decorative tubular article of pyroxylin or the like  +
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