UNT Libraries Government Documents Department - 4 Matching Results

Search Results

Improvement in Draw-Gages.

Patent for improving the manner in which leather straps may be cut and avoid slippage.

Date: June 25, 1878

Creator: Tays, John Henry

Item Type: Patent

Improvement in Wheel-Plows.

Patent for an improvement in wheel plows made so that "the plowing may be done by passing back and forth in parallel lines" (lines 17-18).

Date: September 5, 1871

Creator: Coreth, Rudolph

Item Type: Patent

Improvement in Glass Globes or Reservoirs for Lamps.

Patent for an "invention to prevent the breaking of glass globes used in kerosene lamps as reservoirs for the burning fluid; and this invention consists in the application around the reservoir of a rubber ring let into a groove, but projecting sufficiently to receive the concussion in case the lamp is overthrown." (Lines 10-16) Includes instructions and illustrations.

Date: April 16, 1872

Creator: Otto, Adolph

Item Type: Patent

Improvement in Cotton-Tie Stretchers.

Patent for an improvement for an instrument to stretch and tie a band around a cotton bale.

Date: August 22, 1871

Creator: Mather, Samuel

Item Type: Patent

UNT Libraries Government Documents Department - 4 Matching Results

Search Results

Add Filters

Applied Filters

Improvement in Draw-Gages.

Improvement in Wheel-Plows.

Improvement in Glass Globes or Reservoirs for Lamps.

Improvement in Cotton-Tie Stretchers.