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Oil-Well Drill

Description: Patent for an Oil-Well Drill with the "...object of the invention being to provide means to prevent the drill from becoming unscrewed from the drill rod and dropping into the bottom of the well" (lines 12-16).
Date: December 29, 1916
Creator: Parker, Roy B. & Spurlock, Robert C.
Item Type: Refine your search to only Patent

Delivery-Reel for Printing Presses

Description: Patent for "improvements in delivery reels for printing presses, and more particularly to such reels on the so-called stop cylinder press having a reciprocatory bed carrying the type, and its object is to provide the delivery reel with mechanism whereby the paper will, after being removed from the cylinder be carried to such a position that its lower edge will be removed from the proximity to the type to prevent its engagement therewith on the return stroke of the bed" (lines 13-24) including i… more
Date: December 26, 1916
Creator: Garlick, Mark J.
Item Type: Refine your search to only Patent

Mattress

Description: Patent for a mattress. This invention relates more particularly to the pattern of the blank from which the casing is made to provide a simple and durable structure and may be rolled or folded when not in use.
Date: December 19, 1916
Creator: Anderson, Forest H. & McClinton, Elmore
Item Type: Refine your search to only Patent
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