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Nut Lock.
Patent for a keyed lock for nut and bolt that is removable and does not damage the threads.
Date:
December 20, 1892
Creator:
Crisp, James E.
System:
The Portal to Texas History
Quilting Attachment for Sewing-Machines
Patent for a quilting attachment for sewing frames so that they can be easily folded up and stored, with durable and easy to use parts that are also inexpensive to make.
Date:
December 20, 1892
Creator:
Dickey, John S.
System:
The Portal to Texas History