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Ointment.
Patent for a general external application ointment made of chloride of zinc, powdered metallic cobalt, blood root, and glycerine.
Date:
April 4, 1922
Creator:
Mullins, Ervin L. & Collier, William R.
System:
The Portal to Texas History
Fan-Actuating Mechanism
Patent for a fan actuating mechanism. Attempts to improve upon fans by using a spring to provide maximum speed at minimum cost.
Date:
April 6, 1915
Creator:
Everitt, James H.
System:
The Portal to Texas History
Wrench.
Patent for a "simple, efficient, and comparatively inexpensive wrench of strong and durable construction" (lines 12-14) with a sliding jaw.
Date:
April 7, 1914
Creator:
Cunningham, Ira & Flowers, Haywood
System:
The Portal to Texas History
Gun Muffler
Patent for a gun-muffler. This design if for use with fire-arms to muffle the discharge sound. Illustration included.
Date:
April 5, 1910
Creator:
Childress, George F.
System:
The Portal to Texas History
Plow Attachment.
Patent for a plow attachment for turning the subsoil while the main plow opens the furrow that can be adjusted to any depth desired and attached to all types of plows.
Date:
April 30, 1907
Creator:
Tunnell, Wilson B.
System:
The Portal to Texas History
Baling Press
Patent for a baling press. Illustration included.
Date:
April 11, 1905
Creator:
Darnell, David E.
System:
The Portal to Texas History
Compound Tool
Patent for a compound tool. This invention consists of multiple tools in one. Illustration included.
Date:
April 26, 1904
Creator:
Highsmith, Aubrey O.
System:
The Portal to Texas History
Vacuum-Pan
Patent for "vacuum-pan having improved heating-sections and an improved form of discharge-chamber" [lines 9-11].
Date:
April 8, 1902
Creator:
Ribaud, George Louis
System:
The Portal to Texas History
Salt Making Apparatus.
Patent for an apparatus to improve salt-making.
Date:
April 3, 1900
Creator:
Wilderspin, Anderson
System:
The Portal to Texas History
Portable Saw Mill.
Patent for a new and improved portable saw mill. This design "is to produce a portable saw-mill of such cheap and economical plan as can be built and repaired in almost any locality. The invention consists in the peculiar construction and arrangement of the parts" (lines 12-17).
Date:
April 1, 1884
Creator:
Rodgers, William Crittington
System:
The Portal to Texas History