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| Patents Granted on 1921-03-01 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,369,784 | Mar. 01, 1921 | G.D. Chenette | Wrench | screw adjust wrenches | |
| 1,369,829 | Mar. 01, 1921 | P.S. Minges | Compound Tool | wrench combination tools | |
| 1,369,869 | Mar. 01, 1921 | S.E. Wright | Portable Forge | portable forges | |
| 1,369,968 | Mar. 01, 1921 | E.R. Draver | Feed-regulator | ||
| 1,370,194 | Mar. 01, 1921 | A.M. Cunha | Wrench | wrench handle components | |
| 1,370,310 | Mar. 01, 1921 | F.A. Gustavson | Micrometer Caliper Attachment | micrometer attachments | |