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| Patents for Catherine G. Bradley | |||||
| Number | Date | Patentee | Title | Type | |
| 798,970 | Sep. 05, 1905 | H.R. McGregor | Index Head | indexers and dividers | |
| 842,989 | Feb. 05, 1907 | R.T. Wingo | Spiral Cutting Machine | metalworking machines | |
| 851,831 | Apr. 30, 1907 | J. Parker | Index Head | indexers and dividers | |