William H. Ukers (author)
In 1904, Sigmund Sternau, J.P. Steppe, and L. Strassberger, assignors to S. Sternau & Co., New York, were granted a United States patent on a percolator.
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The quoted sentence explicitly states that J.P. Steppe (along with Sigmund Sternau and L. Strassberger) were granted a United States patent on a percolator in 1904.
- 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 accurately 'asserts', sentiment is appropriately neutral, the time is correctly stated as 'in 1904' with valid_from=1904 and valid_to=null, context is empty as the passage provides no additional sense or role restriction, and the quote appears verbatim in the passage supporting the claim about J.P. Steppe being granted a patent on a percolator.
Sigmund Sternau, J.P. Steppe, and L. Strassberger, assignors to S. Sternau & Co., New York, are granted a United States patent on a coffee percolator
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The passage explicitly states that J.P. Steppe (along with Sigmund Sternau and L. Strassberger) was granted a United States patent on a coffee percolator in 1904, matching all elements of the claim.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself makes the assertion). The stance is correctly marked as 'asserts' (not disputed or questioned). The sentiment is neutral, matching the factual tone of the passage. The time is correctly set to 1904, matching the passage's dating. The context is appropriately empty as the passage provides no additional contextual restrictions. The quote is verbatim from the passage and accurately supports the claim about J.P. Steppe being granted a patent on a coffee percolator.