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| Patents Granted on 1978-04-__ | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,084,357 | Apr. 18, 1978 | R.W. Moses | Valve cleaning machine | sand blasters | |
| 4,084,462 | Apr. 18, 1978 | C.M. Grinage | Clamping Means for a Tool Block in the Vertical Boring Machine or the Like | metalworking machine mechanisms | |
| 4,084,645 | Apr. 18, 1978 | S. Salamone | Apparatus for securing T-edging and similar edging bands | specialty woodworking machines | |