UNT Libraries Government Documents Department - 7 Matching Results

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Mop-Wringer.

Description: Patent for a mop wringer inside a bucket, which is permanently attached below the mouth of the bucket and still allows for buckets to be stacked for storage.
Date: May 24, 1910
Creator: Atkin, Samuel Thatcher
Item Type: Refine your search to only Patent

Roller-Drill

Description: Patent for a roller drill for boring holes into rocks which is stronger than other roller drills and is constructed differently than his previous patent for a roller drill.
Date: May 24, 1910
Creator: Hughes, Howard R.
Item Type: Refine your search to only Patent

Piano-Hammer.

Description: Patent for a piano hammer, which has a strip of striking material that can be moved over to a new section when one section wears out, to increase the life of the hammer.
Date: May 24, 1910
Creator: Young, Henry E.
Item Type: Refine your search to only Patent
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