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| Patents Granted on 1933-03-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,902,878 | Mar. 28, 1933 | N.F. McNaught, E.H. Peterson | Ratchet wrench | ratchet wrenches | |
| 1,903,058 | Mar. 28, 1933 | N.F. McNaught, E.H. Peterson | Means and method for applying brake shoe linings | brake maintenance | |
| 1,903,114 | Mar. 28, 1933 | J.B. Armitage, E.J. Kearney | Machine Tool | milling machines | |