UNT Libraries Government Documents Department - 7 Matching Results

Search Results

Results: 1 - 7

Device for Placing Torpedoes.

Description: Patent for "a device especially adapted for placing torpedoes on railroad tracks and at the same time fixing the torpedo in position, the work being accomplished in a simple and expeditious manner while the train is in motion, whereby one train following another may be signaled without stopping the first train, thus preventing rear end collisions." (Lines 7-15) Includes instructions and illustrations.
Date: April 23, 1895
Creator: Seamands, James D.
Item Type: Refine your search to only Patent

Dilator.

Description: Patent for a dilator meant to enlarge the urethral and other canals of the human body. It is meant of "elastic material and capable of distention, or dilation, under the pressure of air, water, or other fluid introduced and to combine with said dilator means whereby its uniform enlargement under internal pressure shall take place without increase of length, thereby avoiding the objection common to all, rubber and similar structures heretofore, that interior pressure produced elongation at the e… more
Date: April 23, 1895
Creator: Parker, Elisha J.
Item Type: Refine your search to only Patent

Gearing for Windmills.

Description: Patent for gearing for windmills that "is more particularly designed to provide an improved construction of gearing by which the movement of the wind wheel is transmitted to the pump rod, whereby [the inventor] secures superior advantages with respect to efficiency in use" (lines 14-19).
Date: April 23, 1895
Creator: Keys, Milton
Item Type: Refine your search to only Patent

Tuning Device for Pianos.

Description: Patent for "a means whereby the strings of a piano may be easily and deliberately tuned, and when tuned they will be held absolutely rigid and unyielding under all circumstances while the pins are set in wood, thus avoiding any possibility of the jarring of the parts." (Lines 36-42) Includes instructions and illustrations.
Date: April 23, 1895
Creator: Orser, Levi
Item Type: Refine your search to only Patent

Vault Cash-Indicator.

Description: Patent for a vault cash-indicator meant to "provide a new and improved indicator, designed for indicating an amount of money, commercial articles, &c.; for instance, indicating the amount of money contained in a safe or vault" (lines 7-11).
Date: April 23, 1895
Creator: Hamilton, Samuel R.
Item Type: Refine your search to only Patent
Back to Top of Screen