Roll threader tool
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The portions shown in broken lines form no part of the claimed design.
Claims
The ornamental design for a roll threader tool, as shown and described.
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Type: Grant
Filed: Dec 14, 2021
Date of Patent: Oct 10, 2023
Assignee: ECOLAB USA INC. (St. Paul, MN)
Inventors: Kenneth Thomas Dobizl (Mounds View, MN), Amina Imtiaz Ali (Marysville, OH)
Primary Examiner: Philip S Hyder
Application Number: 29/819,260