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| Patents Granted on 1967-03-07 | |||||
| Number | Date | Patentee | Title | Type | |
| 3,307,254 | Mar. 07, 1967 | T.V. Williams | Cutting and Burnishing Tool | milling machine cutters | |
| 3,307,298 | Mar. 07, 1967 | R.G. Norris | Honing Attachment for Lathes | metal lathe accessories and attachments | |