UNT Libraries Government Documents Department - 3 Matching Results

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Chimney-Cowl

Description: Patent for low cost chimney cowl improvements to insure proper draft and prevent fires.
Date: March 12, 1918
Creator: Burch, Robert S.

Mail-Bag Catcher

Description: Patent for improvements of mail bag catchers. This patent proposes improvements on the construction and arrangements of mail bag catchers including the alteration of the jaw and the addition of springs. Includes illustrations.
Date: March 26, 1918
Creator: Davis, Tomie

Well -Bucket

Description: Patent for an improvement in well -buckets adapted for cleaning and drawing water from drilled wells.
Date: March 19, 1916
Creator: McKinnon, Thomas J.
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