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Primary view of Improvement to Elevator Signal Systems
Johnson, Charles S.
February 2, 1915
Primary view of Improvement for Cotton Chopper
Finch, Arthur M.
February 2, 1915
Primary view of Process of Making Round-Bottomed Paper Bags.
Johnston, Leila M.
February 2, 1915
Primary view of Photographic Copying Apparatus
Gregory, Oscar T. & Carkhuff, Norman W.
February 2, 1915
Primary view of Educational Souvenir.
Potts, Stacy
February 2, 1915
Primary view of Apparatus for Building Circular Walls and Means for Adjusting the Apparatus.
Nash, Alexander Q.
February 2, 1915
Primary view of Combined Andirons and Grate
Wilderspin, Alfred K.
February 2, 1915
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