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| Patents Granted on 1967-06-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-761,164 | Jun. 20, 1967 | W.B. Fell | Linearity testing gauge | measuring tools | |
| 3,325,949 | Jun. 20, 1967 | R.C. Fisher | Workpiece Cooling Apparatus for Grinding Machines | coolant apparatus | |