CA Patent: CA-2,999
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| Blind slat machine
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Patentees:
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| Major Harper (exact or similar names) - Whitby, ON Canada |
| Stephen Grose (exact or similar names) - Whitby, ON Canada |
| William Wallace Byam (exact or similar names) - Whitby, ON Canada |
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Patent Dates:
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| Applied: |
Nov. 07, 1873 |
| Granted: |
Jan. 13, 1874 |
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Patent Pictures:
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1 | 2
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CIPO Data
Espacenet patent
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Jeff Joslin
"Vintage Machinery" entry for Major Harper & Son
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Description: |
| The inventors are all described as "machinists". |
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