Progressive spectacle lens with two non-spherical progressive surfaces
A Standard patent application filed on 13 March 2003 credited to Esser, Gregor
;
Haimerl, Walter
;
Pfeiffer, Herbert
;
Altheimer, Helmut
Details
Application number :
2003223865
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Progressive spectacle lens with two non-spherical progressive surfaces
Inventor :
Esser, Gregor
;
Haimerl, Walter
;
Pfeiffer, Herbert
;
Altheimer, Helmut