William H. Ukers (author)
- John E. King is granted a united states patent on improved coffee percolator 1912 ⟨Detroit, employing a filter-paper attachment⟩
John E. King, Detroit, is granted a United States patent on an improved coffee percolator employing a filter-paper attachment
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The exact quote 'John E. King, Detroit, is granted a United States patent on an improved coffee percolator employing a filter-paper attachment' appears verbatim in the 1912 entry, confirming all elements of the claim without any rewording or interpretation needed.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly identified as 'author' (the passage itself reports this fact without attribution to a named source). The stance 'asserts' matches the passage's presentation. The sentiment is appropriately neutral for a factual statement about a patent grant. The time 'when': '1912' matches the passage exactly. The context 'Detroit, employing a filter-paper attachment' accurately reflects the passage's description. The quote is verbatim from the passage and directly supports all claim elements.