combined coffee-roaster-and-grinder machine

William H. Ukers (author)

• Francois Rene Lacoux received patent combined coffee-roaster-and-grinder 1836 ⟨France⟩
  assertsneutralsource: coffee-pg28500

  It was not until 1836 that the first French patent was issued on a combined coffee-roaster-and-grinder to Francois Rene Lacoux

  judge verdicts (2)

  • groundedness 1.00 pass — The claim is directly and explicitly stated in the passage. The exact quote provided matches the passage text: 'It was not until 1836 that the first French patent was issued on a combined coffee-roaster-and-grinder to Francois Rene Lacoux of Paris.' All elements of the claim (subject, predicate, object, and time) are fully supported.
  • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. Viewpoint is correctly attributed to the author (not a named source in the passage). Stance is appropriately 'asserts' matching the passage's declarative presentation. Sentiment is neutral as befits a factual historical statement. Time is accurately specified as 1836 with consistent valid_from and valid_to dates matching the temporal scope in the passage ('It was not until 1836'). Context 'France' is appropriate given the passage specifies 'first French patent' and Lacoux's location in Paris. The quote is verbatim from the passage and directly supports the claim.