16 Matching Results

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Results: 1 - 16

Scraper.

Description: Patent for a scraper for floors and walls that attaches to a broom handle.
Date: February 27, 1912
Creator: Pettit, Lee
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wireless Break-Key

Description: Patent for a wireless break key that allows a station to just have one aerial line and prevents burn out of the machinery and injury to operators while transmitting messages faster than other wireless devices.
Date: December 31, 1912
Creator: Mobley, Grier P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Air-Brake

Description: Patent for an air brake for trains that reduces jerking when the brakes are applied.
Date: February 6, 1912
Creator: Mead, William E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wax-Press

Description: Patent for a wax press for pressing oil out of wax that does not have to be opened to test the wax or remove it for use.
Date: April 23, 1912
Creator: Hansen, Julius
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Battery-Connector

Description: Patent for a battery connector for providing electricity in homes without being connected to a power plant.
Date: October 15, 1912
Creator: Hall, James Monroe
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spigot

Description: Patent for a spigot that attaches to barrels and vats filled with liquids such as alcohol or acid that indicates the amount left in the barrel and can be locked closed.
Date: July 23, 1912
Creator: Herblin, William Leonard
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for a cotton chopper with an attachment for a guided chopper. This cotton chopper allows for the chopping device to engage the soil when the device is driven over various types of soil.
Date: January 9, 1912
Creator: Tedder, Morgan C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw-Filing Machine.

Description: Patent for a saw filing machine that keeps the teeth of saws properly aligned, while they are being sharpened.
Date: February 27, 1912
Creator: Haltom, Samuel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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