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| Patents for Robert S. Gutsell | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,221,173 | Nov. 12, 1940 | R.S. Gutsell | Sanding or polishing wheel | grinding wheels | |
| 2,377,880 | Jun. 12, 1945 | R.S. Gutsell | Centrifugal abrasive-sheet holding wheel | grinding wheels | |