5 Matching Results

Search Results

Advanced search parameters have been applied.

Windmill

Description: Patent for a windmill. It turns creating rotary motion, caused by the wind, which is used as a pumping power source.
Date: November 2, 1905
Creator: Doty, David
Partner: UNT Libraries Government Documents Department

Index and Trial-Balance.

Description: Patent for improvement in indexes and trial-balances by using removable spring-strips to hold all the papers together in one place and can be easily remove when needed. Illustration is included.
Date: April 2, 1901
Creator: Templeton, Allison
Partner: UNT Libraries Government Documents Department
Back to Top of Screen