UNT Libraries Government Documents Department - 6 Matching Results

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Blind Stop.
Patent for a new and improved blind-stop. This design consists "[i]n blind-stops, the rod, consisting of two parts connected by a thin piece of metal, in combination with a blind provided with a median open-slotted tapering screw and thumb-nut" (lines 49-53).
Collapsible Crate
Patent for a collapsible crate. Illustration included.
Electric Switch
Patent for an electric switch. Illustration included.
Improvement in the Propulsion of Vessels.
Patent for improvement in vibrating propellers with continued paddle action that can be attached to a line of boats.
Improvement in Vibrating Propellers.
Patent for new and useful improvement in vibrating propellers.
Machine-Brake.
Patent for machine brake for regulating the speed of an automatic fan.
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