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| Patents for Robert Leslie Brownlee | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,105,402 | Jan. 11, 1938 | R.L. Brownlee | Hydraulic hold-down for squaring shears | metal shearing machines | |
| 2,125,539 | Aug. 02, 1938 | R.L. Brownlee | Back gauge for squaring shears | metal shearing machines | |