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Hat-Pin Point Protector
This patent is for the device that is to be used for protecting the point of the hat pin, and the invention aims to improve the operative connection between the compartmental members which shield and grip the point of the pin.
Date:
April 9, 1918
Creator:
Koch, Charles Albert
System:
The Portal to Texas History
Piston-Head
This patent relates to piston heads particularly designed for use in connection with a hydrocarbon engine. The purpose of this invention is to provide a novel form of a ball and socket connection between the piston rod and the piston head. The said connection is designed to be durable in construction , cheap to manufacture and easily applied.
Date:
April 9, 1918
Creator:
Collier, William Reid
System:
The Portal to Texas History