UNT Libraries Government Documents Department - 6 Matching Results

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Artificial Stone
Patent for artificial stone.
Automatic Lock for Cotton Gins
Patent for an automatic lock for cotton gins. It provides an automatic latch having a constant tendency toward the latching position, but yieldable to the opening of breast of the cotton gin. This is to prevent accidents involving the removing of obstruction in the gin happening to those removing the obstruction. Illustrations are provided.
Design for a Fire-Screen
Design patent for a fire-screen that has vertical bars decorated with balls or spherical ornaments.
Improvement in Ditching-Machines.
Patent for the improvement of ditching-machines by way of new construction techniques.
Separator-Guard.
Patent for a separator-guard for spinning frames. It prevents "the yarn from being entangled in or caught by the devices for attaching the separators to their support" (lines 15-17). Illustrations included.
Washing-Machine.
Patent for washing machine. Objective is to make the machine inexpensive and capable of washing clothes with rapid cycles without any harm to the fabric.
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