Device and support sheet for the punctiform representation of graphical information which may be read by touch
A Standard patent application filed on 31 May 2002 credited to Wilhelms, Alexander
;
Badur, Stefan
;
Koch, Andreas
Details
Application number :
2002317171
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Device and support sheet for the punctiform representation of graphical information which may be read by touch
Inventor :
Wilhelms, Alexander
;
Badur, Stefan
;
Koch, Andreas