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Antifreezing Appliance for Water-Pipes.
Patent for anti-freezing appliance for water supply and drain pipes of residences and buildings. The object is provide a device connected with the main and service lines of a hours supply water system for the purpose of avoiding interfering with the operation of the service.
Date:
January 20, 1920
Creator:
Davis, Thomas A.
System:
The Portal to Texas History
Grease Cup.
Patent for a grease cup used to lubricate machine parts.
Date:
January 10, 1920
Creator:
Allen, Arthur Chester John
System:
The Portal to Texas History