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in creator/contributor: "Clarke, Alex A."  
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Surface-Treating Machine.

Description: Patent for a surface treating machine that improves support, where the surface treating member is "driven by intermediate means from a motor displaced from the member, together with means of effecting adjustments of the surface treating member with relation to the work" (lines 13-15), with illustrations.
Date: October 19, 1920
Creator: Clarke, Alex A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Surface-Treating Device.

Description: Patent for surface treating devices that provides "a continuously moving surface treating member and support the same in such a manner that its application to the work may be adjusted to a minute degree and controlled by the operator while the device is in operation." (lines 11-16)
Date: September 14, 1920
Creator: Clarke, Alex A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Surface-Treating Machine.

Description: Patent for surface-treating machines in "an anular form and to dispose within the same a complete driving and operating unit, whereby the member is revolved, and to associate with said member and unit a support where by the surface-treating member is carried and may be applied to the work under full control of the operator." (lines 12-19)
Date: September 14, 1920
Creator: Clarke, Alex A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Surface-Treating Machine

Description: Patent for useful improvements to surface-treating machines with a "rapidly moving surface treating member," (lines 12-13) including illustrations.
Date: February 7, 1920
Creator: Clarke, Alex A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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