Access
Counties
Language
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Advertising Device.
Patent for an advertising machine that is motor-operated and will display a succession of slides that can be shown during the day or at night. It includes a light to help show slides to the public, a shutter that automatically and intermittently displays slides, a lens for projecting slides on a distant screen, and a master slide to be shown with each slide. The patent includes illustrations.
Date:
August 5, 1913
Creator:
Bernard, Oscar C.
System:
The Portal to Texas History
Metal-Foil Fabric.
Patent for
Date:
August 5, 1902
Creator:
Parker, Harry L.
System:
The Portal to Texas History
Film for Cameras.
Patent for photographic film that contains alternating sensitized and non-sensitized sections for the purpose of creating an initial exposure view as a guide to use when taking a subsequent actual photograph.
Date:
August 5, 1919
Creator:
Sartorius, Oton; Gándara, José F. & Colonna, Benito
System:
The Portal to Texas History