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Lead: Line: EMPTY, searched. Run by inventor residence, the record for this ground returns five names — Rose, Unger, Evancich, Huener, Heuer — all men, across 1894 to 2005. The one woman who appears on the face of a document in this section does so as a cited product source, not an inventor, and is not promoted into one: the Easy-Heat reference inside a later Canadian carwash-heating patent names a company address in New Carlisle, not a woman inventor of this town. Two honest limits ride with the finding, as they do throughout this section: older patent records under-record married women's work and routinely seated a household's patent in the husband's name alone, a distortion this search cannot correct from the documents themselves; and the reachable residence search is subject to the same USPTO settler as the first article. At the strength the record reaches, the finding stands as printed: no woman inventor of this ground is named in the patent record, in her own right or any other.
Sources:
- Google Patents — CA2591437C, the Easy-Heat Sno*Melter reference to a New Carlisle, Indiana company address, a product citation and not an inventor residence, https://patents.google.com/patent/CA2591437C/en