UNT Libraries Government Documents Department - 60 Matching Results

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Primary view of Railway Signal.
Armstrong, James Henry
June 7, 1887
Primary view of Doll.
Baker, Marie K.
May 7, 1912
Primary view of Well-Screen Cleaner.
Bashara, Samuel F.
June 7, 1921
Primary view of Treatment of Crude Petroleum for Purification.
Bostick, Joseph Wallace & Homer, Charles H.
June 7, 1921
Primary view of Oxygen-Generator
Bradley, Richard Clinton
February 7, 1911
Primary view of Automatic Sack Filling and Weighing Machine
Carter, Edward D.
November 7, 1911
Primary view of Combined Tie-Plate and Rail-Anticreeper.
Clarke, Marcus S.
December 7, 1909
Primary view of Water-Heating Attachment for Internal-Combustion Motors.
Clayton, Oscar B. & Oberwetter, George T.
December 7, 1920
Primary view of Well-Drilling Machinery
Decker, Harry R.
July 7, 1908
Primary view of Sample-Taking Device.
Dodds, Redus D.
August 7, 1917
Primary view of Apparatus for Washing and Scrubbing Gas.
Fitzgerald, John H.
March 7, 1893
Primary view of Swing.
Goebel, Herman A.
February 7, 1888
Primary view of Washing Machine
Green, James J.
November 7, 1905
Primary view of Baling Press.
Hoop, Friedrich W. J. & Isaac, Joseph
August 7, 1888
Primary view of Reaming-Drill
Hughes, Howard R.
March 7, 1916
Primary view of Rotary Boring Drill
Hughes, Howard R.
March 7, 1916
Primary view of Rotary Disk Drill
Hughes, Howard R.
March 7, 1916
Primary view of Retaining Means for Rotary-Drill Cutters.
Hughes, Howard Robard, 1869-1924
March 7, 1916
Primary view of Pump.
Humason, Granville A.
June 7, 1921
Primary view of Switch-Operating Mechanism
Hyman, Henry F. & Hay, G. H.
July 7, 1908
Primary view of Trick Amusement Device
Judson, Fred I.
July 7, 1908
Primary view of Trick-Pipe.
Judson, Fred Irving
April 7, 1908
Primary view of Flexible Scraper.
Kaelin, Albert J.
December 7, 1886
Primary view of Improvement in Medical Compounds.
Lister, Henry
February 7, 1871
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