William H. Ukers (author)
The first recorded German patent on a coffee roaster was issued to G. Tubermann's Son in 1877
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'The first recorded German patent on a coffee roaster was issued to G. Tubermann's Son in 1877, for "a coffee burner with vertically adjusted stirring works."' The subject, predicate, object, and date are all explicitly supported without requiring outside knowledge or over-generalization.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage presents this as historical fact). The stance is 'asserts' which matches the passage's declarative presentation. The sentiment is neutral, appropriate for a factual historical statement. The time qualifier correctly specifies 1877 with valid_from matching. The context accurately reflects that this was 'the first recorded German patent' on a coffee roaster, directly from the passage. The quote is verbatim and fully supports the claim.
