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Hydraulic Swivel
Patent for a hydraulic swivel made to control back pressure and designed to be resistant to wear. Illustrations included.
Date:
December 10, 1907
Creator:
Johnston, Horace G. & Norris, Joseph B.
System:
The Portal to Texas History
Polishing-Machine
Patent for a metal polisher. Illustrations included.
Date:
December 10, 1907
Creator:
Nichols, Charlie M.
System:
The Portal to Texas History
Piano-Sling
Patent for a piano sling used for handling pianos. Illustrations included.
Date:
December 10, 1907
Creator:
Hanson, Henry Harrison
System:
The Portal to Texas History
Gas-Producer
Patent for a gas producing apparatus that can be used for cars, factories, shops, or even cities. Illustrations included.
Date:
December 10, 1907
Creator:
Gamer, Charles
System:
The Portal to Texas History
Cotton Chopper and Cultivator
Patent for a cotton chopper and cultivator. Illustrations included.
Date:
December 10, 1907
Creator:
Higgs, William A. & Hamilton, Morgan S.
System:
The Portal to Texas History
Seeder and Fertilizer-Distributer
Patent for a planter designed to drop the seeds first and then the fertilizer directly afterwards. Illustrations included.
Date:
December 10, 1907
Creator:
Ingram, Jesse A.
System:
The Portal to Texas History
Cotton-Chopper
Patent for a cotton chopper. Illustrations included.
Date:
December 10, 1907
Creator:
Mizell, Hardy P.
System:
The Portal to Texas History
Carbureter
Patent for a manually operated carburetor used on vehicle gas engines. Illustrations included.
Date:
December 10, 1907
Creator:
Stoker, Albert E.
System:
The Portal to Texas History