UNT Libraries Government Documents Department - 6 Matching Results

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Nut-Lock.
Patent for a nut lock that keeps bolts attached extra tightly.
Nut-Lock.
Patent for a nut lock that is easy to manufacture.
Road-Grader
Patent for an improvement or update to a device called a road-grader. This patented upgrade will make the use of a road-grader easier.
Toy.
Patent for certain new and useful improvements in toys. This design is to " produce a top which will be capable of unusual momentum with the resultant prolonged action" (line 10 - 12).
Windmill
Patent for "improvements in windmills." (lines 8-9) specifically a vertical windmill and includes five figures and an explanation of the device.
Wire Stretcher and Splicer.
Patent for a wire stretcher and splicer device, for "stretching of the wire when a fence is being constructed, the tightening of the wire after the fence is constructed, and the splicing of broken wire" (lines 10-13), with illustrations.
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