Improved progressive lens
A Standard patent application filed on 09 September 1998 credited to Edwards, Simon John
;
Sklar, David H.
;
Varnas, Saulius Raymond
Details
Application number :
89661
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Improved progressive lens
Inventor :
Edwards, Simon John
;
Sklar, David H.
;
Varnas, Saulius Raymond