UNT Libraries Government Documents Department - 20 Matching Results

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Back-Brace

Description: Patent for improvement on back braces, specifically to improve the performances of people who repeatedly stoop for their jobs. The back brace aims to relieve the stress on back muscles.
Date: November 14, 1911
Creator: Thornton, Henry C.
Item Type: Refine your search to only Patent

Brake Shoe

Description: Patent for an M.C. B.-type reinforced brake shoe that can be manufactured in small foundries without special machinery.
Date: November 14, 1916
Creator: Christensen, Jacob V. C. T.
Item Type: Refine your search to only Patent

Process of Removing Ink from Paper.

Description: Patent for a process of removing ink from paper that uses three chemical solutions that the paper is soaked in after an initial water bath to remove all the ink and produce paper pulp that can be recycled into new paper.
Date: November 14, 1911
Creator: Bonser, John Edward
Item Type: Refine your search to only Patent

Valve.

Description: Patent for a valve, comprised of a valve seat and a moving part that is made in such a way as to minimize wear and tear. The seat, which attaches to the pump stem, supports the value stem, which is then covered by a thimble that supports a rubber disk. This rubber disk helps prevent liquid and sand from wearing against the valve stem.
Date: November 14, 1911
Creator: Wintz, Thornton E.
Item Type: Refine your search to only Patent
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