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| Patents for William Rice | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-8,362 | Jan. 26, 1878 | W.S. Mayo | Improvements on tonguing and grooving machines | matchers | |
| 208,323 | Sep. 24, 1878 | W.S. Mayo | Improvement in tonguing and grooving machine | matchers | |
| CA-16,180 | Jan. 23, 1883 | W.S. Mayo | Improvements on tonguing and grooving machines | matchers | |
| 346,249 | Jul. 27, 1886 | C. Weekes | Combined Cork Extractor and Lemon Squeezer | combination cork extractors | |