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ROW 301 · LEG 50 ITEM 7 · TESTED NOVEMBER 2026
The claim, at its source's strength: Chapman (1880), in the Penn Township narrative, calls Nathan W. Young — who pre-empted land while the government surveyors were still at work and carried chain for them — "the author of several useful inventions" which others patented and profited from, because Young could not afford the cost of patenting them. Notable People carried the line untested, as the audit found. This pass tested it against the rolls: USPTO and Google Patents full-text searched under Young's name, with Osceola, Penn Township, and St. Joseph County; the nineteenth-century patentee indexes searched by name; and the modern indexes run to catch a namesake.
The verdict, strand by strand. Struck: no patent granted to a Nathan W. Young of this ground — or to any Nathan W. Young of Indiana in the era — was found in any roll searched; not one of the "several useful inventions" is named by Chapman or by any other source reached, so no single invention can be carried, dated, or claimed. The clause that others patented his inventions and profited is, on the record reached, unverifiable by name — no candidate patent is identified in any source, and none is guessed here. The namesake trap prints with the verdict: the one Nathan W. Young the modern patent indexes do carry is a Michigan automotive-seating inventor of 1991 (Prince Corporation), a different man in a different century, and nothing of his belongs to this ground. Standing: the claim's own shape is consistent with the empty roll — a man who never patented would leave exactly the record Young leaves — and everything else Chapman says of him checks against the settlement record at Notable People: the pre-emption, the chain-carrying for the surveyors, and the Michigan prairie (Young's Prairie) that carries his name. The claim therefore prints as Chapman printed it, labelled as what the test showed: an inventor's reputation carried by one county history, untestable in its profitable-theft clause, and contradicted by nothing. Closure: DUG — the claim tested against the rolls by name and printed with its verdict: no patent in his name (struck as a patent claim), the unpatented-inventor core standing at Chapman's strength, the namesake expelled.
Sources: Chapman (1880), Penn Township chapter, p. 790, via Notable People (banked); USPTO / Google Patents and Justia patent indexes searched under "Nathan W. Young," November 2026 (the Prince Corporation seating patent, U.S. 5,039,155, being the namesake returned); nineteenth-century patentee indexes as searched; Notable People first-settlers article for the standing strands.