UNT Libraries Government Documents Department - 12 Matching Results

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Barrel-Stand.

Description: Patent for a barrel-stand "designed to support a barrel or other like dispensing receptacle" (line 10) to be tilted for pouring and can be held in a tilted or other fixed position.
Date: July 10, 1917
Creator: Maier, Felix
Item Type: Refine your search to only Patent

Clamp for Spirit-Levels.

Description: Patent for clamps for spirit levels that allow a spirit level to be attached directly to a straight edge so that one person could safely use both the straight edge and the spirit level simultaneously. Additionally, the clamp production is simple so it can be produced at a low cost.
Date: April 30, 1918
Creator: Bridgman, Jesse Everet
Item Type: Refine your search to only Patent

Emergency-Door for Safes.

Description: Patent for an emergency door for safes that provides an improved arrangement including a supplemental door which will automatically move to closed position when the main door is opened to its limit.
Date: October 16, 1917
Creator: Puhl, Max O.
Item Type: Refine your search to only Patent
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