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| Patents for Major Harper & Son | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-2,999 | Jan. 13, 1874 | W.W. Byam, S. Grose, M. Harper | Blind slat machine | windowblind machines | |
| CA-3,000 | Jan. 13, 1874 | W.W. Byam, S. Grose, M. Harper | Venetian blind | ||
| CA-83,415 | Oct. 13, 1903 | M. Harper | Planing machine | wood planers | |
| CA-102,366 | Dec. 04, 1906 | C.E. Harper | Wood planing machinery | wood planers | |
| 854,642 | May 21, 1907 | C.E. Harper | Feed-roll for wood-planing machines | wood planers | |