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-2358091.pdf +
Mechanical pencil  +
Patent-US-2360297.pdf +
Fountain pen  +
Patent-US-2362905.pdf +
Pour-out closure  +
Patent-US-2362948.pdf +
Fountain pen  +
Patent-US-2365473.pdf +
Writing instrument assemblage  +
Patent-US-2365880.pdf +
Mechanical pencil  +
Patent-US-2368425.pdf +
Fountain pen  +
Patent-US-237139.pdf +
Fountain pen-holder  +
Patent-US-237454.pdf +
Fountain-pen  +
Patent-US-2375770.pdf +
Fountain pen  +
Patent-US-2377444.pdf +
Fountain pen presser bar and method of producing the same  +
Patent-US-2380763.pdf +
Feed for fountain pens  +
Patent-US-2386500.pdf +
Desk set  +
Patent-US-2387001.pdf +
Fountain pen  +
Patent-US-2390541.pdf +
Writing implement  +
Patent-US-2392942.pdf +
Fountain pen cap construction  +
Patent-US-2393250.pdf +
Fountain pen  +
Patent-US-2393251.pdf +
Fountain pen  +
Patent-US-2396058.pdf +
Marking pen  +
Patent-US-2396919.pdf +
Fountain pen  +
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