![Property law / Patentable subject matter / Title 35 of the United States Code / Patentability / Shell Oil Co. v. Commissioner of Patents / Inventive step and non-obviousness / Harvard College v. Canada / Utility / Prior art / Patent law / Law / Civil law Property law / Patentable subject matter / Title 35 of the United States Code / Patentability / Shell Oil Co. v. Commissioner of Patents / Inventive step and non-obviousness / Harvard College v. Canada / Utility / Prior art / Patent law / Law / Civil law](https://www.pdfsearch.io/img/4c2ab47b16488d72cee80e49193fc55d.jpg)
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Company Koehring Waterous Ltd. / F. Hoffmann-LaRoche & Co. / Patents (1946) 6 C. / Valmet Oy / Gypsum / Lime & Alabastine Canada Ltd. / Permutit Co. / Tye-Sil Corp. Ltd. / Thermionics Limited / Johnson Controls Inc. / Canadian Gypsum Co. Ltd. / Fada Radio Ltd. / New Perth Agritech Inc. / Cutten-Foster & Sons Limited / Jules R. Gilbert Ltd. / Crocker Bros. Ltd. / Shell Oil Co. / Canadian General Electric Co. Ld. / Amazon.com Inc. / Viscount Cave L.C. / Crila Plastic Industries Ltd. / Patents (1981) 59 C. / Great Britain Ltd. / Philco Radio & Television Corp. / Ninety-Eight Plastic Trim Ltd. / Metalliflex Ltd. / Les Machineries Yvon Beaudoin Inc. / Mullard Radio Valve Co. Ltd. / Philco Products Limited / The Edison Bell Phonograph Corporation Limited / Varta Batteries Ltd. / Samuel Parkes & Co. Ltd. / Tye-Sil Corp. / MacMillan / Owens-Illinois Inc. / Herbert Smith & Co. Ltd. / Domtar Ltd. / See Beloit Canada Ltd. / Diversified Products Corp. / / Country United States / Canada / United Kingdom / / Facility Privy Council / Harvard College / / IndustryTerm case law / vendible product / unforeseen and unanticipated technology / / Organization EPC / UN Court / Privy Council / European Union / Harvard College / / Person Donald M. Cameron / Agatha Christie / / Position Commissioner / Attorney General / F.C.T.D. / / Product Koss P 4 Headphone/Headset / / Technology unforeseen and unanticipated technology / underlying technology / /
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