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Fan
Patent for a a spring motor fan. Illustration included.
Date:
January 8, 1907
Creator:
Tomison, Willis Albert & Hitt, John F.
System:
The Portal to Texas History
Flexible Armor For Hose and Piping
Patent for flexible armor for hose and piping. Illustrations included.
Date:
January 8, 1907
Creator:
Weir, Welby Dunbar
System:
The Portal to Texas History
Switchboard
Patent for a switchboard for use with telephone exchanges and electrical plants. The invention is designed to connect any line wire to the jack wire. Illustration included.
Date:
January 8, 1907
Creator:
Weir, Welby D.
System:
The Portal to Texas History