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Automatic Switch
Patent for an automatic switch for street railways.
Date:
November 30, 1909
Creator:
Godoy, Jose Ma
System:
The Portal to Texas History
Reinforced Belt.
Patent for a reinforced belt made with power transmission in mind. It has an improved body which is made up of steel U-shaped chain links embedded in flexible belt material. The belt is strong, flexible, durable, simple, and inexpensive.
Date:
November 30, 1920
Creator:
Shiner, Elliot E.
System:
The Portal to Texas History
Device for Sharpening Razors.
Patent for a device for sharpening razors consisting of razor strop and hone, which does not have to be hung on a hook to use.
Date:
November 30, 1909
Creator:
Dunn, William Harrison
System:
The Portal to Texas History