6 Matching Results

Search Results

Results: 1 - 6

Jail

Description: Patent for community style jails, eliminating single-cell jail housing.
Date: June 24, 1913
Creator: Youngblood, David Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Jail Cells.

Description: Patent for new and improved jail cells. This design calls for cell walls constructed of vertical sections secured by through-bolts, tubular bars for the concealment of the through-bolts, wooden corner-posts and sill and head timbers, and outer and main walls lined with sheet-iron (with narrow windows lined with chilled cast-iron) (paras. 15-19).
Date: January 29, 1878
Creator: Thomas, John S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Locking and Operating System for Jail-Doors.

Description: Patent for a new way to operate and lock jail doors "whereby each and every door in the system can be locked, unlocked and operated altogether, or any one, two or more doors can be locked, unlocked and operated without disturbing the other doors of the system" (lines 11-16), including illustrations.
Date: June 11, 1918
Creator: Youngblood, David Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Interlocking-Bar Grating for Jails.

Description: 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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Construction of Jails.

Description: Patent for improvement in construction of jails; in which a system of flues in between layers of a double floor provide ventilation through grates in the walls and upper layer of the floor, without compromising security.
Date: October 19, 1875
Creator: Seeber, John A. & Croxton, James C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen