UNT Libraries Government Documents Department - 4 Matching Results

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Burglar Alarm.

Description: Patent for a new and improved burglar alarm. This design "consists in a wire attached to the anchor or escapement-lever of a clock-work for ringing or sounding an alarm bell, which wire has a hook at its outer end, which is passed into a loop, ring, or hook at the end of a wire connected with the key-bolt or knob-bolt of a lock, or with a wire leading to places a considerable difference from the alarm" (lines 11-18).
Date: September 20, 1881
Creator: Holloman, Harvey Allen
Item Type: Refine your search to only Patent

Car-Brake.

Description: Patent for an improvement "in the application of power to car brakes, whereby the slack is quickly and automatically absorbed, and a powerful leverage is secured, and a perfect equalization of the leverage at each end of the car is obtained, and the convenient and safe adjustment of the brakes in regard to the wheels is effected, and any particular alignment of the brake cylinder in regard to the car body is avoided as the cylinder in regard to the car body is avoided as the cylinder may be pla… more
Date: June 20, 1893
Creator: Ferguson, George J.
Item Type: Refine your search to only Patent

Churn

Description: Patent for a new churn, an improvement on the device shown in prior Patent Number 944,129 granted December 21, 1909.
Date: October 20, 1914
Creator: Floyd, Ellis E.
Item Type: Refine your search to only Patent

Ice-Cream Freezer.

Description: Patent for an ice-cream freezer that has "a novel construction and relative arrangement of the refrigerating box and the cream cups as will be described whereby to secure a more compact and convenient arrangement of cups and also to effect a rapid and thorough freezing of the cream as desired" (lines 9-14).
Date: March 20, 1894
Creator: Stidham, James S.
Item Type: Refine your search to only Patent
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