6 Matching Results

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Automobile-Alarm. (open access)

Automobile-Alarm.

Patent for a device to prevent the theft of automobiles capable of producing audio and visual signals as warnings of unauthorized access.
Date: April 22, 1919
Creator: Smith, Thomas H.
System: The Portal to Texas History
Submarine Telescope. (open access)

Submarine Telescope.

Patent for submarine telescope using a pair of longitudinal tubes, mounted lens, rigid rods, electric light bulb, and chains for securing to the boat. Intended as useful improvements to submarine telescopes with the objection to assist in locating submerged objects. Accompanied with illustrations.
Date: April 22, 1919
Creator: Armstrong, William S.
System: The Portal to Texas History
Fluid- Dispensing Control (open access)

Fluid- Dispensing Control

Patent for the improvement of fluid dispensing controls. The invention provides a more efficient way to discharge fluid from a storage container by using compressed air, and valve arrangement.
Date: April 22, 1919
Creator: Catron, John J
System: The Portal to Texas History
Reproducing Device for Graphophones. (open access)

Reproducing Device for Graphophones.

Patent for a reproducing device for graphophones improving the objects that transmit sound to the horn or like element and provide a new means to mount the tone arm. It further improves the means for mounting the needle on the device.
Date: April 22, 1919
Creator: Adams, Henry Rolland
System: The Portal to Texas History
Winch Attachment (open access)

Winch Attachment

Patent for an improved automobile winch attachment.
Date: April 22, 1919
Creator: Bush, E. E.
System: The Portal to Texas History
Derailer (open access)

Derailer

This is a patent for a railway Derailer. This new derailer is less expensive, easier to manufacture, and will be an improvement over older models. For example, it is easier to attach to the rail track and more efficient at stopping railroad collisions.
Date: April 22, 1919
Creator: Gravis, James. C
System: The Portal to Texas History