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| Patents for Matthew Henry Royston | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-198,118 | May 31, 1923 | M.H. Royston | Improvements in machinery for cleaning out, cutting or enlarging ditches | tracks | |
| GB-215,675 | May 15, 1924 | M.H. Royston | Improvements relating to scrapers for disc ploughs | plows | |