William H. Ukers (author)
- Rudolphus L. Webb was issued a united states patent on improved box coffee grinder 1878 ⟨for home use⟩
In 1878, a United States patent was issued to Rudolphus L. Webb, assignor to Landers, Frary & Clark, New Britain, Conn., on an improved box coffee grinder for home use
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly supported by the passage. The exact sentence states 'In 1878, a United States patent was issued to Rudolphus L. Webb, assignor to Landers, Frary & Clark, New Britain, Conn., on an improved box coffee grinder for home use,' which fully matches 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 presents this information as fact). The stance is appropriately 'asserts' (no dispute or questioning is indicated). The sentiment is neutral, matching the factual tone of the passage. The time qualifier correctly identifies 1878 as the year. The context accurately reflects 'for home use' as stated in the passage. The quote is verbatim and directly supports the claim.
A United States patent is issued to Rudolphus L. Webb, assignor to Landers, Frary & Clark of New Britain, Conn., on an improved box coffee grinder for home use
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The exact quote confirms that Rudolphus L. Webb was issued a United States patent in 1878 on an improved box coffee grinder for home use, with only minor rewording of 'is granted patent on' versus 'is issued to...a patent on'.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the passage author/source (not a named source within the passage). The stance is 'asserts' which matches the passage's neutral presentation of the fact. The sentiment is neutral, appropriate for a factual statement. The time qualifier correctly shows 1878 with valid_from 1878 and valid_to null, matching the passage's temporal scope. Context is empty, which is appropriate as the passage provides no restricting context. The quote appears verbatim in the passage and directly supports all elements of the claim.
Rudolphus L. Webb, assignor to Landers, Frary & Clark
judge verdicts (2)
- groundedness 0.70 pass — The passage states that a patent was issued to Rudolphus L. Webb, 'assignor to Landers, Frary & Clark,' which directly supports the claim that Landers, Frary & Clark was assigned the patent from Webb in 1878. The phrasing is consistent with the original text, though 'assignor to' is the actual relationship stated in the passage.
- 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 appropriately 'asserts'; sentiment is neutral; the time is correctly set to 1878 matching the passage entry; context is empty as the passage provides none; and the quote is verbatim from the passage and directly supports the claim about the patent assignment relationship.