UNT Libraries Government Documents Department - 5 Matching Results
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- Battery-Connector
- Patent for a battery connector for providing electricity in homes without being connected to a power plant.
- Can Soldering Machine
- Patent for a can soldering machine. This device is designed to solder multiple units of lids to cans. Illustration included.
- Lamp-Socket.
- Patent for an electric lamp socket that regulates the intensity of the current passing through the socket. It has multiple contact posts and a manually operated slide that makes contact with the posts.
- Plow Attachment
- Patent for a plow attachment for clearing pea vines out of fields.
- Cross Arm
- Patent for a cross arm. Illustration included.