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| Patents Granted on 1968-12-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,418,757 | Dec. 31, 1968 | J. McEwan | Lawn mower sharpener | ||
| 3,418,758 | Dec. 31, 1968 | J. McEwan | Oscillating vertical spindle sander | oscillating spindle sanders | |
| 3,418,952 | Dec. 31, 1968 | F.H. Meller | Incinerator | sewage treatment apparatus | |