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| Patents Granted on 1980-07-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| D255,998 | Jul. 22, 1980 | H.J. Merchant | Caliper | ||
| 4,213,242 | Jul. 22, 1980 | E.J. Partington | Attachment for saber saw | handheld power tools | |