William H. Ukers (author)
- Thomas John Knowlys was granted patent in england on perforated roasting cylinder coated with enamel 1848
In 1848, Thomas John Knowlys was granted a patent in England on a perforated roasting cylinder coated with enamel.
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage's final sentence, which explicitly states that 'In 1848, Thomas John Knowlys was granted a patent in England on a perforated roasting cylinder coated with enamel.' The subject, predicate, object, and time are all fully supported without any rewording necessary.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (not a named source), the stance is appropriately 'asserts' as a factual claim, sentiment is neutral matching the passage's neutral tone, the time qualifier correctly specifies 1848, and the quote appears verbatim in the final sentence of the passage. Context is appropriately empty as the passage provides no restricting context for the patent subject. The claim accurately reflects the passage's content.