Patent drawing - US519333-Window frame with sash (2) Public domain
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Download Image of Patent drawing - US519333-Window frame with sash (2) Public domain image. Free for commercial use, no attribution required. Patent held by Margareth E. Knight. Dated: 08.05.1894. Topics: patents, patent drawings, us patent office, patents by margaret e knight, high resolution, inventions
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Patent drawing - US519333-Window frame with sash (2) Public domain
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