|
US1565897A
|
|
Camera and film indicator
|
|
US1498434A
|
|
Viewing apparatus
|
|
US1498435A
|
|
Stereoscope
|
|
US1529297A
|
|
Camera
|
|
US1675595A
|
|
Lamp house
|
|
US1515429A
|
|
Stereoscopic motion-picture projector
|
|
US1590804A
|
|
Stereoscopic motion-picture camera
|
|
US1515428A
|
|
Stereoscopic motion-picture projector
|
|
US1642918A
|
|
Cinematographic picture with stereoscopic qualities
|
|
US1498433A
|
|
Stereoscopic projection screen
|
|
US1515427A
|
|
Stereoscopic projection screen
|
|
US1581834A
|
|
Cinematographic picture with stereoscopic and color values
|
|
US1651248A
|
|
Rival photograph
|
