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Electric Battery

Description: Patent for an electric battery. This battery is designed to be more efficient and run for a longer time, without adding water.
Date: October 24, 1922
Creator: Holmes, Frank M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well Bucket

Description: Patent for Improvements in well buckets. The bucket has an inlet valve at the bottom and an air escape valve at the top that permits air to escape freely while preventing the entrance of dirt and extraneous matter to the interior of the bucket.
Date: April 11, 1922
Creator: Reese, Samuel L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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