Photographic accessory device to distribute slides onto a transparent screen without need to manipulate individual slides
A Standard patent application filed on 17 January 1990 credited to Dentella, Alessandro
Details
Application number :
48431
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Photographic accessory device to distribute slides onto a transparent screen without need to manipulate individual slides