UNT Libraries Government Documents Department - 4 Matching Results

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Sulky.

Description: Patent for improvements in sulkies by using materials such as curved springs, cross-bar and braces to support the body of the vehicle and making it rigid, with a sturdy frame, the sulky would vibrate freely in every direction. Illustration is included.
Date: July 28, 1891
Creator: Harper, William D.
Item Type: Refine your search to only Patent

Cement Kiln

Description: Patent for a new and improved cement kiln for drying gypsum and other materials employed in the manufacture of cement and plaster.
Date: April 28, 1902
Creator: Malone, Samuel R.
Item Type: Refine your search to only Patent

Insecticide.

Description: Patent for improvements in poisons for prairie-dogs, a “chemical compositions adapted to destroy vermin and more particularly prairie-dogs; but it may also be used to destroy many other sorts of vermin, including birds and insects.” (Lines 12-16) Ingredients and instruction of how to mix this compound are included. No illustration.
Date: July 28, 1891
Creator: Staples, David W.
Item Type: Refine your search to only Patent
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