4 Matching Results

Search Results

Improvement in Wind-Wheels.

Description: Patent for a new wind-wheel design with pivoted frame and adjustable wings.
Date: March 19, 1878
Creator: Everhart, Martin
Partner: UNT Libraries Government Documents Department

Improvement in Gang-Plows.

Description: Patent for a new, improved gang-plow for preparing and cultivating land for planting. Illustrations included.
Date: March 23, 1875
Creator: Scheumack, Stephen S.
Partner: UNT Libraries Government Documents Department

Fire and Burglar Proof Safe.

Description: Patent for a safe "constructed as to be safe from fire and burglars, and at which the same time may be made lighter, and may be less expensive in manufacture than when made in the usual way." (para. 4). Additionally, safe is airtight and water-proof.
Date: March 18, 1870
Creator: Wilkins, Samuel Adams
Partner: UNT Libraries Government Documents Department
Back to Top of Screen