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Ball-Bearing.
Patent for ball-bearings that "consists in improvements in hubs or journal-boxes and in the journals of axles or spindles" (lines 8-10), the "object [of which] is to construct journals and journal-boxes which will be perfectly adjustable and durable and which will be subjected to the least possible friction" (lines 12-15).
Date:
January 26, 1897
Creator:
Baker, Joseph B.
System:
The Portal to Texas History
Type-Writer Attachment.
Patent for a typewriter attachment that holds and feeds rolls of paper through typewriters. It is inexpensive and fits on several types of typewriters.
Date:
August 25, 1896
Creator:
Baker, Joseph B.
System:
The Portal to Texas History
Tool-Holder.
Patent for "a holder for any class of tools, but being especially adapted for hatchets, garden-tools, and tools of like character." (Lines 7-10) Includes instructions and illustrations.
Date:
August 31, 1897
Creator:
Richardson, John M.
System:
The Portal to Texas History
Roller-Bearing.
Patent for improvements in roller bearing for vehicles.
Date:
October 5, 1897
Creator:
Baker, Joseph B.
System:
The Portal to Texas History
Portable Derrick.
Patent for improvements to derricks which make them portable and easily manipulated. Includes instructions and illustrations.
Date:
July 15, 1891
Creator:
Hurd, George Murray
System:
The Portal to Texas History