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Patents for Winfield R. Smith | |||||
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Number | Date | Patentee | Title | Type | |
629,814 | Aug. 01, 1899 | W.W. Philbrick | Matcher-head | cutterheads | |
633,153 | Sep. 19, 1899 | W.W. Philbrick | Matcher-head | cutterheads |