Ball-Bearing. (open access)

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. (open access)

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. (open access)

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. (open access)

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. (open access)

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