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Building Block Machine

Description: Patent for a building block machine. This invention is used to mold concrete and other artificial stone blocks. Illustration included.
Date: September 18, 1906
Creator: Latimer, Samuel A. & Krischke, Joseph, Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Baling-Press.

Description: Patent for improvements in baling-presses by using a “duplex baling-press wherein the power is alternately applied by novel mechanism to the two baling-plungers in such manner that only one plunger at a given time is operating to compress the bale, and at the completion of the stroke thereof the other plunger is operated to compress its bale, the arrangement being such that the plungers are alternately engaged and released by the power mechanism and are automatically returned to operative posit… more
Date: September 18, 1900
Creator: Watkins, William D. & Pruit, Trose P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Compressor.

Description: Patent for a compressor. This is an improvement upon previous refrigeration and ice making machines.
Date: April 18, 1916
Creator: Fowler, Paul R.; Gingrich, John A.; Tongate, Willis B. & Ridge, James H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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