Hans-Dieter Rosel

JK J.S. Staedtler Gmbh & Co. Kg: 2 patents #12 of 62Top 20%

📍 Altdorf, DE: #59 of 204 inventorsTop 30%

Overall (All Time): #1,683,368 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4423429	Writing medium unit for writing or drawing machines	—	1983-12-27
4392147	Apparatus for supplying and regulating a writing medium to the writing unit of a writing or drawing machine	—	1983-07-05
4325072	Writing device control apparatus	—	1982-04-13