UNT Libraries Government Documents Department - 16 Matching Results

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Electrical Signal System.

Description: Patent for an improved electrical signal system which can help ascertain "the position of a train or other obstruction on a railway-track ... at either terminal" (lines 14-16), including an illustration.
Date: March 6, 1906
Creator: Lacroix, Fred
Item Type: Refine your search to only Patent

Eyeglasses

Description: Patent for "an improvement in eyeglasses; and it consists in certain novel constructions and combinations of parts" (lines 7-9), illustration and instructions included.
Date: March 13, 1900
Creator: Critzer, A. B.
Item Type: Refine your search to only Patent

Vehicle-Wheel.

Description: Patent for a vehicle wheel with no extra small parts, a tightener that tightens the whole wheel and is easily reached, and constructed in such a manner that it may be easily taken apart and put back together for repair purposes.
Date: March 26, 1907
Creator: Hadley, William Swain
Item Type: Refine your search to only Patent
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