Lining for Cells, Vaults, or the Like (open access)

Lining for Cells, Vaults, or the Like

Patent for Lining for Cells, Vaults, or the Like. The Linings whether employed in Jail-Cells or other Similar Buildings , and the object thereof is to provide a structure made up of parts which may be placed within a room or enclosure and securely built therein without necessity of using patch-bolts or screws.
Date: November 25, 1902
Creator: Youngblood, David F.
System: The Portal to Texas History
Interlocking-Bar Grating for Jails. (open access)

Interlocking-Bar Grating for Jails.

Patent for gratings used in jails. "In these structures as ordinarily made upright and horizontal bars are provided which are located at right angles to each other, these bars being necessarily secured together at their points of intersection to prevent their being spread apart" (lines 11-16).
Date: November 25, 1902
Creator: Youngblood, David Franklin
System: The Portal to Texas History
Tool for Truing and Dressing Commutators. (open access)

Tool for Truing and Dressing Commutators.

Patent for a tool "for truing and dressing the commutators of dynamo motors... especially designed for truing and dressing the commutators of motors employed for propelling cars" (lines 9-14).
Date: June 25, 1907
Creator: Frick, Claus Henry
System: The Portal to Texas History
Sulky-Lister (open access)

Sulky-Lister

Patent for an improved sulky-lister for planting listed corn, cotton, and other crops.
Date: November 25, 1902
Creator: Engelmann, Gustav
System: The Portal to Texas History
Sound Reproducing Machine (open access)

Sound Reproducing Machine

Patent for a sound reproducing machine. Illustrations included.
Date: October 25, 1904
Creator: Dubinski, Benjamin
System: The Portal to Texas History
Hammock-Support. (open access)

Hammock-Support.

Patent for hammock support which is securely fastened and can be readily removed.
Date: November 25, 1902
Creator: Youngblood, David Franklin
System: The Portal to Texas History
Electric Time Switch (open access)

Electric Time Switch

Patent for a electric time-switch. Illustration included.
Date: October 25, 1904
Creator: Dubinski, Benjamin
System: The Portal to Texas History
Railroad-Rail (open access)

Railroad-Rail

Patent for a new railroad rail design. Illustrations included.
Date: June 25, 1907
Creator: King, Alphonse
System: The Portal to Texas History
Portable Convict-Cage. (open access)

Portable Convict-Cage.

Patent for a portable convict cage for housing prisoners while out in work gangs, which is on wheels, is difficult to attack or leave, and provides numerous cots inside.
Date: May 25, 1909
Creator: Youngblood, David Franklin
System: The Portal to Texas History
Dumping-Cart (open access)

Dumping-Cart

Patent for a dumping cart with a body that locks to the frame, but can be released quickly to dump materials via two toggle arms connected to a crank handle. Including illustrations and instructions.
Date: February 25, 1903
Creator: Davis, Frank C.
System: The Portal to Texas History