View Original: | US Patent Drawing for Hotchkiss doorknob.jpg (1730x2052) | |||
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Keywords: US Patent Drawing for Hotchkiss doorknob.jpg This is the drawing from US Pat No 2197 that was involved in the case Hotchkiss v Greenwood<br/> ;Other information This is the drawing for a US patent US Pat No 2197 1840 US Government PD-USGov Original upload log en wikipedia US+Patent+Drawing+for+Hotchkiss+doorknob jpg wikitable - 2016-04-14 20 02 1730×2052× 204441 bytes PraeceptorIP Uploading a public-domain item using File Upload Wizard Uncategorized 2016 May 5 |