An Unflattened Identity and Change Knowledge Graph

G. Tuberman's Son unspecified sense

organization · 1 mention

German company granted patent on commercial coffee roaster

Defining properties

Perspectives

Claims grouped by the voice that makes them.

William H. Ukers (author)

  • G. Tuberman's Son granted first german patent on commercial coffee roaster 1877 ⟨Berlin⟩
    The first German patent on a commercial coffee roaster is issued in Berlin to G. Tuberman's Son.
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'The first German patent on a commercial coffee roaster is issued in Berlin to G. Tuberman's Son' in 1877. All elements (subject, predicate, object, time, and context) match exactly.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly identified as 'author' since the passage itself makes the assertion without attributing it to a named source. The stance 'asserts' matches the declarative framing. The sentiment is neutral, appropriate for a factual historical claim. The time '1877' matches exactly. The context 'Berlin' is faithful to the passage's specification of location. The quote is verbatim and directly supports the claim.

Change over time

1877
  • granted first german patent on commercial coffee roaster