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| Patents for Richard A. Ashton | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,644,733 | Oct. 11, 1927 | R.A. Ashton, N. King | Back Squaring Attachment for Lathes | ||
| 1,689,709 | Oct. 30, 1928 | R.A. Ashton | Tail Stock for Lathes | ||
| 1,736,378 | Nov. 19, 1929 | R.A. Ashton, E.R. Smith | Steady Rest | ||
| 1,794,423 | Mar. 03, 1931 | R.A. Ashton, E.R. Smith | Cam Actuated Lathe | ||