|
US1105310A
|
|
Apparatus for demonstrating ocular fluorescence.
|
|
GB191319785A
|
|
Apparatus for Demonstrating the Fluorescence of the Eyes.
|
|
GB191312549A
|
|
Improvements in Night Sights for Rifles and the like.
|
|
GB191208528A
|
|
Improvements in or relating to Mirror Sights for Fire-arms.
|
|
GB190815963A
|
|
Improvements in or relating to Light Filters.
|
|
US889551A
|
|
Sight for firearms.
|
|
GB190720282A
|
|
Improvements in or relating to Sighting Devices for Guns
|
|
US849504A
|
|
Sight for guns.
|
|
US861396A
|
|
Sight for guns.
|
|
GB190516894A
|
|
Improvements in or relating to Sights for Guns.
|
|
US836835A
|
|
Sight for firearms.
|
