Cerca per proprietà

This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

Elenco dei risultati

• File:Patent-US-2979030.pdf  + (Writing instruments)
• File:Patent-US-2645206.pdf  + (Writing pen)
• File:Patent-US-2033164.pdf  + (Writing pen)
• File:Patent-US-2601846.pdf  + (Writing pen assembly)
• File:Patent-US-1902782.pdf  + (Writing, drawing, or ruling pen)

• File:Patent-US-258299.pdf  + (Writing-point for stylographic pens)

• File:Patent-NL-43208.pdf  + (Zelfvullende vulpenhouder)
• File:Patent-DE-1644009U.pdf  + (Zelluloidfüllhalter)
• File:Patent-DE-99102.pdf  + (Ziehfeder)
• File:Patent-DE-521001.pdf  + (Zweifarbenschreibstift)