Hans-Dieter Rosel

Follow

Person

Altdorf, DE

People

Patents Grantslast 30 patents

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
Writing device control apparatus
- Patent number 4,325,072
- Issue date Apr 13, 1982
- Firma J. S. Staedtler
- Hans-Dieter Rosel
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS