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<\/a><\/figure>\n<\/div>\n\n\nWhile no doubt convenient, is this combination inventive? Casimir’s “invention” calls to mind Hymen Lipman’s 1830 “invention” of a combined pencil and eraser, for which he received U.S. patent 19,783. Lipman sold the patent to Faber in 1862 for $100,000. However, in 1875 the Supreme Court in Reckendorfer v. Faber<\/em>, 92 U.S. 347 (1875), invalided the patent because Lipman\u2019s invention was simply a combination of two already known devices. The Supreme Court said \u201cThe combination, to be patentable, must produce a different force or effect or result in the combined forces or processes from that given by their separate parts. There must be a new result produced by their union; if not so, it is only an aggregation of separate elements.\u201d<\/p>\n\n\n On December 4, 1990, Casimir M. Lazickas received U.S. Patent No. 4,974,611 on a Shoe Horn and Comb Combination: While no doubt convenient, is this combination inventive? Casimir’s “invention” calls to mind Hymen Lipman’s 1830 “invention” of a combined pencil … Continue reading <\/a><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"