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| Patents for Walter Herbert Cook | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,350,545 | Aug. 24, 1920 | W.H. Cook | Combined Nut and Washer | ||
| GB-194,041 | Mar. 08, 1923 | W.H. Cook | Improvements in Fixed Jaw Spanners | nut wrenches | |
| CA-230,995 | May 15, 1923 | W.H. Cook | Fixed Jaw Ratchetting Spanner | nut wrenches | |
| 1,479,772 | Jan. 01, 1924 | W.H. Cook | Fixed Jaw Spanner | nut wrenches | |