Magnifying glass having a variable focus, variable enlargement ratio and automatic parallax correction
A Standard patent application filed on 30 August 1995 credited to Ofner, Anton Gerald
Details
Application number :
32461
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Magnifying glass having a variable focus, variable enlargement ratio and automatic parallax correction