J. S. Staedtler K.G.

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Nurnburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Automatic lead advancing mechanism for a mechanical pencil
- Patent number 4,538,934
- Issue date Sep 3, 1985
- J. S. Staedtler KG
- Engelbert Brunner
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing medium unit for writing or drawing machines
- Patent number 4,423,429
- Issue date Dec 27, 1983
- J. S. Staedtler KG
- Hans-Dieter Rosel
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for supplying and regulating a writing medium to the writ...
- Patent number 4,392,147
- Issue date Jul 5, 1983
- J. S. Staedtler KG
- Hans-Dieter Rosel
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Closure cap for a writing instrument
- Patent number 4,380,403
- Issue date Apr 19, 1983
- J. S. Staedtler K.G.
- Bernhard Endres
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES