Keywords: Maddock patent crop.jpg en Maddock Flushing Device for Water Closet-Bowls US Patent 229 326 1880-06-29 https //www google com/patents/US229326 dq Thomas+Maddock+1880 hl en sa X ved 0ahUKEwjZ__WIh7nJAhXI6yYKHW95DfsQ6AEIHDAA US Patent Office other versions PD-USGov Images from US patents Uploaded with UploadWizard |